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

John Krzynowek — 6 Patents

LILisco: 5 patents #29 of 103Top 30%
Wilbraham, MA: #32 of 159 inventorsTop 25%
Massachusetts: #20,307 of 88,656 inventorsTop 25%
Overall (All Time): #890,438 of 4,157,543Top 25%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D363961 Golf club Thomas M. Greene 1995-11-07
D363332 Iron golf club head Steve Mahaffey 1995-10-17
D363100 Golf club James M. Long, Steve Mahaffey 1995-10-10
D362883 Iron golf club head Steve Mahaffey 1995-10-03
5429354 Crownless golf club James M. Long, Steven J. Mahaffey 1995-07-04
5215194 Golf bag for use with carts Linda A. Blanford, Michael R. Ferris, William P. Jacoby, Jr. 1993-06-01