Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RI

Robert W. Barker, II — 8 Patents

AMD: 1 patents #5,683 of 9,279Top 65%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Paradise Valley, AZ: #53 of 294 inventorsTop 20%
Arizona: #4,584 of 32,909 inventorsTop 15%
Overall (All Time): #665,535 of 4,157,543Top 20%
8 Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
D452547 Unicorn knife 2001-12-25
D452546 Sword 2001-12-25
D451571 Duck sword 2001-12-04
D451572 Lobster knife 2001-12-04
D445314 Dolphin knife 2001-07-24
D440125 Shark knife 2001-04-10
5349249 Programmable logic device having security elements located amongst configuration bit location to prevent unauthorized reading David Chiang, Thomas Y. Ho, Wei-Yi Ku, George H. Simmons 1994-09-20
D335691 Putter head Richard D. Barker 1993-05-18