William Blankenship

📍 Upland, CA: #94 of 401 inventorsTop 25%

🗺 California: #149,087 of 386,348 inventorsTop 40%

Overall (All Time): #1,598,657 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
6887163	Golf club shaft adaptor with side wall openings	—	2005-05-03
D461864	Golf club head connection element	—	2002-08-20
5674134	Golf club shaft extender	—	1997-10-07