JR

James R. Ridgley

NP North American Philips: 1 patents #281 of 645Top 45%
📍 Frederick, MD: #488 of 816 inventorsTop 60%
🗺 Maryland: #19,431 of 35,612 inventorsTop 55%
Overall (All Time): #4,022,642 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4545474 Mounting means and method of affixing a drop coin mechanism Bruce L. Reeder 1985-10-08