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

John R. Gregory

UNUnknown: 4 patents #4,220 of 83,584Top 6%
DLDana Limited: 1 patents #464 of 1,099Top 45%
National City, CA: #3 of 55 inventorsTop 6%
California: #73,997 of 386,348 inventorsTop 20%
Overall (All Time): #660,969 of 4,157,543Top 20%
8 Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7026900 Magnetic motion device James Lawrence Kearns 2006-04-11
5076406 Radially interlocking clutch brake Richard A. Flotow 1991-12-31
D284327 Face guard for a motorcycle helmet John Dondero 1986-06-24
4516273 Upper body protector apparatus and method Gerald R. Parks, John Dondero 1985-05-14
D278280 Chest and shoulder protector Gerald R. Parks, John Dondero 1985-04-09
D277520 Face guard 1985-02-12
D277236 Chest protector 1985-01-22
4467475 Upper body protector apparatus Gerald R. Parks, John Dondero 1984-08-28