Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5499936 | Monolithic metallic drive shafts which are resistant to corrosion and wear | James Bonifield, Dale Boschke, Richard A. Krajewski | 1996-03-19 |
| 5112259 | Two piece drive shaft retention device for outboard motor | Edmund H. DuBois | 1992-05-12 |
| 4865570 | Marine propulsion device shift apparatus | Jeffrey B. Higby, Philip A. Zorc | 1989-09-12 |
| 4861295 | Marine propulsion device with reversible shift apparatus | Jeffrey P. Higby, Philip A. Zorc | 1989-08-29 |
| 4850910 | Counter-rotation transmission | Jeffery P. Higby, Arthur R. Ferguson, Gerald F. Bland, Michael Freitag, Donald K. Sullivan | 1989-07-25 |
| 4820212 | Marine propulsion device bearing lubrication system | Jeffrey P. Higby, Philip A. Zorc | 1989-04-11 |
| 4798548 | Propeller shaft bearing housing retention system | Jeffrey P. Higby, Philip A. Zorc | 1989-01-17 |
| 4792315 | Drive shaft assembly for outboard motor | Wallace R. Karrasch, Steven R. McNeill | 1988-12-20 |