RF

Raymond M. Fredericksen

WW Wolverine World Wide: 6 patents #33 of 128Top 30%
BS Brooks Sports: 1 patents #12 of 17Top 75%
📍 Okemos, MI: #53 of 344 inventorsTop 20%
🗺 Michigan: #11,873 of 86,293 inventorsTop 15%
Overall (All Time): #661,927 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6880266 Footwear sole Mary L. Schoenborn 2005-04-19
5704137 Shoe having hydrodynamic pad Todd Dean, Eric Dreyer 1998-01-06
5448839 Stand easy shoe Malcolm G. Blissett 1995-09-12
5315769 Teardrop propulsion plate footwear Daniel T. Barry, Robert W. Soutas-Little, Ruk Peterson 1994-05-31
5216824 Shoe construction Malcolm G. Blissett 1993-06-08
5191727 Propulsion plate hydrodynamic footwear Daniel T. Barry, Robert W. Soutas-Little, Ruk Peterson 1993-03-09
5097607 Fluid forefoot footware 1992-03-24
4934072 Fluid dynamic shoe Daniel T. Barry, Daniel E. Norton 1990-06-19