RC

Richard Collins

DR Dravo: 1 patents #27 of 74Top 40%
Overall (All Time): #744,545 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8522908 Photoelectric-activated switch for a motorized wheelchair Rick Gaither 2013-09-03
8092142 Recreational vehicle ramp and storage lift 2012-01-10
5599058 Three-sided cargo carrier Richardo C. Carter, Batin A. Muhammad 1997-02-04
5197446 Vapor pressure enhancer and method Clark L. Daywalt 1993-03-30
5078180 Automatically operated gate valve for recreational vehicles 1992-01-07
D280124 Fishing line spool holder 1985-08-13
4363411 Hammerhead crane with plural shuttle trolleys, a load trolley and movable counterweight means Gilbert Blair, Roy A. Behling 1982-12-14