William C. Grindstaff

📍 Gainesville, FL: #1,324 of 2,267 inventorsTop 60%

🗺 Florida: #33,682 of 67,251 inventorsTop 55%

Overall (All Time): #3,670,075 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5996444	Apparatus for unscrewing drill pipe sections	Richard J. Pearce, James Daniel Madden	1999-12-07