RF

Richard J. Frigon

SD Sprague Devices: 5 patents #1 of 11Top 10%
📍 Michigan City, IN: #17 of 158 inventorsTop 15%
🗺 Indiana: #7,136 of 33,936 inventorsTop 25%
Overall (All Time): #1,054,130 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5637927 Device for switching control of vehicle accessories between vehicle control stations Steven J. Stronczek 1997-06-10
5551232 Windshield washer control system Steven J. Stronczek 1996-09-03
5427012 Electronically controlled fluid powered motor Allan E. McIntyre, Steven J. Stronczek, Dennis L. Berndt 1995-06-27
4708053 Reciprocating piston fluid powered motor Alan K. Forsythe 1987-11-24
4632013 Reciprocating piston fluid powered motor Alan K. Forsythe 1986-12-30