Humanities › History & Culture African American Patent Holders - H to I Share Flipboard Email Print History & Culture Inventions Patents & Trademarks Famous Inventions Famous Inventors Invention Timelines Computers & The Internet American History African American History African History Ancient History and Culture Asian History European History Genealogy Latin American History Medieval & Renaissance History Military History The 20th Century Women's History View More By Mary Bellis Inventions Expert Mary Bellis covered inventions and inventors for ThoughtCo for 18 years. She is known for her independent films and documentaries, including one about Alexander Graham Bell. our editorial process Mary Bellis Updated March 17, 2017 01 of 08 William Hale - Aeroplane William Hale - Aeroplane. USPTO Illustrations from the original patents, photos of inventors and inventions Included in this photo gallery are the drawings and text from original patents. These are copies of the originals submitted by the inventor to the United States Patent and Trademark Office. Yes, this vehicle was intented to fly, float, and drive in two different directions. William Hale invented an impoved Aeroplane and received patent 1,563,278 on 11/24/1925. 02 of 08 William Hale - Motor Vehicle William Hale - Motor Vehicle. USPTO Yes, this vehicle was intented to drive in two different directions. William Hale invented an improved motor vehicle and received patent 1,672,212 on 6/5/1928 03 of 08 David Harper - Mobile utility rack David Harper - Mobile utility rack. USPTO David Harper invented a design for a mobile utility rack and received design patent D 187,654 on 4/12/1960. 04 of 08 Joseph Hawkins - Gridiron Joseph Hawkins - Gridiron. USPTO Joseph Hawkins invented an improved gridiron and received patent 3,973 on 3/26/1845. Joseph Hawkins was from West Windsor, New Jersey. A gridiron is a wrought iron utensil used for broiling food. Meat was placed between the parallel metal bars of the gridiron and then placed in fire or inside an oven. Joseph Hawkins' gridiron included a trough to catch the fats and liquids that dripped from the meat while cooking for purposes of gravy making and preventing smoke. 05 of 08 Roland C Hawkins Cover Device for Electrical Connector Carl Eric Fonville was the co-inventor. Cover device and method for electrical connector. USPTO GM engineer, Roland C Hawkins invented a cover device and method for an electrical connector, and patented it on December 19, 2006. Patent Abstract: A detachable device for covering an end of an electrical connector, comprising a non-conductive cover, sealingly attachable, and completely covering the mating end of the connector. An external end of the cover is generally planar with electrically conductive pads corresponding to the conductive terminals of the connector, and electrically connecting the pads to the terminals. The electrically conductive pads are arranged in a pattern, oriented to provide a single line-of-sight for machine recognition. 06 of 08 Andre Henderson U.S. patent #5,603,078 granted on February 11 1997 Andre Henderson invented a remote control device with credit card reading and transmission capabilities. Andre Henderson & USPTO Biographical information and in the inventor's words included below photo. Andre Henderson had the following to say about his experience as an inventor, "I worked on the first store and forward video on demand systems used in the lodging industry, it was a joint venture betweem Micropolis, EDS and SpectraVision/Spectradyne. That technology led to the on demand movies used in homes today. The conception and hardware design were mine, and the other engineers ((co-inventors William H Fuller, James M Rotenberry) worked on the software; one wrote the code for the remote control, the other wrote code for the remote control to work in the video distribution system. André D. Henderson, Sr. - Biography & Professional ExperienceEnerMax Appoints Andre Henderson as New Joint Venture Relations ManagerAdvanced NRG Solutions 07 of 08 June B Horne - Emergency escape apparatus and method of using same June B Horne - Emergency escape apparatus and method of using same. USPTO June B Horne invented an emergency escape apparatus and method of using same, and received patent #4,498,557 on 2/12/1985. June B Horne wrote in the patent abstract: The emergency escape apparatus includes a slide device installed at a staircase, and includes a slide member extending at an incline over the stairs when disposed in its use position. In order to use the apparatus, the slide member swings about a hinge device connected at one side edge of the slide member between an upward storage position adjacent to the railing or the like and the incline use position over the stairs. Mounting devices fix the slide member to the staircase, and a latching device maintains the slide member in its upright storage position in a releasable manner. 08 of 08 Clifton M Ingram - Well drilling tool Clifton M Ingram invented an improved well drilling tool and received patent 1,542,776 on 6/16/1925.