Donald Mangrum

📍 Sanger, CA: #23 of 46 inventorsTop 50%

🗺 California: #247,236 of 386,348 inventorsTop 65%

Overall (All Time): #2,688,355 of 4,157,543Top 65%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11479983	Keywell form retention assembly	—	2022-10-25