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500 Memorial Street
Post Office Box 2049
Durham, NC 27702
Phone: 919.683.5514
Fax: 919.688.3781 |
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| -1790 The First Patent |
Issued to Samuel Hopkins for his invention of a new apparatus and process for making potash and pearl ash |
| -1790 - 1836 |
Approximately 10,000 patents were issued, all unnumbered |
| -1836 Patent Number 1 |
The first numbered patent was issued to J. Ruggles for his invention of traction wheels |
| -1911 Patent Number 1,000,000 |
Issued to Francis Holton for his invention of a tubeless vehicle tire |
| -1935 Patent Number 2,000,000 |
Issued to Joseph Ledwinka for his invention of a vehicle wheel to increase the safety and longevity of pneumatic tires |
| -1961 Patent Number 3,000,000 |
Issued to Kenneth Eldredge for his invention of an automated reading system that
translated numbers, letters and symbols into data processing code |
| -1976 Patent Number 4,000,000 |
Issued to Robert Mendenhall for his invention of a process for recycling asphalt |
| -1991 Patent Number 5,000,000 |
Issued to Lonnie Ingram, Tyrrell Conway and Flavio Alterthum for their invention of a
more efficient way to produce fuel ethanol |
| -1999 Patent Number 6,000,000 |
Issued to Jeffrey Hawkins and Michael Albanese for their invention of a data transfer system (HotSync) |
| -2006 Patent Number 7,000,000 |
Issued to John O’Brien for his invention of “polysaccharide fibers” (cotton-like fibers biologically derived from plants such as corn) and a method of producing them |
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