Arnold B. Engman

📍 Des Moines, IA: #247 of 657 inventorsTop 40%

🗺 Iowa: #6,094 of 15,303 inventorsTop 40%

Overall (All Time): #2,319,706 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5060808	Hanging file support frame	—	1991-10-29
4403378	Pipe clamp means	—	1983-09-13