RW

Roger B. Whipple

OM Outboard Marine: 9 patents #36 of 426Top 9%
📍 Waukegan, IL: #56 of 352 inventorsTop 20%
🗺 Illinois: #10,078 of 84,256 inventorsTop 15%
Overall (All Time): #592,298 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5167546 Automatic trim system 1992-12-01
5161372 Exhaust gas cooling valve 1992-11-10
4940435 Marine propulsion device Harold L. Osborn, Matthew H. Mondek, John C. Hervat 1990-07-10
4925411 Marine propulsion device tilt and trim mechanism Scott N. Burmeister, Duane W. Harris, Martin J. Mondek 1990-05-15
4863290 Combined shift rod bushing and gear case seal for marine propulsion device Steven R. McNeill, Scott N. Burmeister, Matthew H. Mondek 1989-09-05
4786263 Marine propulsion device power tilt and trim mechanism Scott N. Burmeister, Martin J. Mondek, Duane W. Harris 1988-11-22
4643140 Two-cycle engine exhaust port 1987-02-17
4632169 Two cycle cylinder block foam pattern Harold L. Osborn 1986-12-30
4252175 Cylinder block having a cast-in core unit and process for manufacturing same 1981-02-24