Joseph A. Giangrasso

📍 Oakland, CA: #1,672 of 4,380 inventorsTop 40%

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

Overall (All Time): #1,636,621 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
6000688	Machinists' production V-block	—	1999-12-14
D333826	Machinists V-block	—	1993-03-09
4748774	Pin grinding fixture	—	1988-06-07