RF

Richard A. Fredrickson

PI Polaris Industries: 5 patents #165 of 746Top 25%
PP Polaris Industries Partners: 1 patents #13 of 31Top 45%
📍 Roseau, MN: #29 of 134 inventorsTop 25%
🗺 Minnesota: #11,810 of 52,454 inventorsTop 25%
Overall (All Time): #862,502 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8225896 Snowmobile and an oil container therefor Jason A. Eichenberger, Martin E. Sampson 2012-07-24
8127877 Air intake system for controlling sound emission Jerry A. Olson, Jason A. Eichenberger 2012-03-06
7775313 Integral tunnel heat exchanger for a snowmobile Martin E. Sampson, Greg Alan Peppel, Jeremy Landon Karnowski, Jeffrey Joseph Haselhoff, Bradly George Becker 2010-08-17
7040437 Engine air intake system Jan Hedlund, Jim Vizanko 2006-05-09
6158215 Varible exhaust resonance chamber valve system for two-cycle engines John Bradley Bosch, Kevin Ness, Jan Hedlund 2000-12-12
5408975 Priming control system for fuel injected engines Wesley A. Blakeslee 1995-04-25