Ronald A. Holm

📍 Maplewood, MN: #253 of 510 inventorsTop 50%

🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%

Overall (All Time): #2,327,351 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D312835	Display sheet	—	1990-12-11
4751664	Enclosure device with magnetically attached calculator	—	1988-06-14