RF

Richard J. Frigon

SD Sprague Devices: 1 patents #1 of 4Top 25%
📍 Michigan City, IN: #2 of 11 inventorsTop 20%
🗺 Indiana: #496 of 1,942 inventorsTop 30%
Overall (1997): #89,108 of 185,788Top 50%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5637927 Device for switching control of vehicle accessories between vehicle control stations Steven J. Stronczek 1997-06-10