Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7100550 | Two-stroke engine transfer ports | Nagesh S. Navinahally | 2006-09-05 |
| 6945215 | Multiple-position, operator-carried, four-stroke engine | Shiro Kawamoto, Harry Gene Rickard, Yoichi Imgawa | 2005-09-20 |
| 6772726 | Multiple-position, operator-carried, four-stroke engine | Shiro Kawamoto, Harry Gene Richard, Yoichi Imgawa | 2004-08-10 |
| 6620039 | Method and apparatus for providing fresh air to a truck sleeper box | Michikazu Jody Tao, Steven L. Baker | 2003-09-16 |
| 6374796 | Multiple-position, operator-carried, four-stroke engine | Shiro Kawamoto, Harry Gene Richard, Yoichi Imgawa | 2002-04-23 |
| 6249978 | Flail head for a vegetation cutter | — | 2001-06-26 |
| 6108914 | Fixed line trimmer head | — | 2000-08-29 |
| 6039020 | Multiple-position, operator-carried, four-stroke engine | Shiro Kawamoto, Harry Gene Richard, Yoichi Imgawa | 2000-03-21 |
| 5960617 | Lawn mower cutting blade spindle assembly including quick change characteristics | — | 1999-10-05 |
| 5782073 | Lawn mower cutting blade spindle assembly including quick change characteristics | — | 1998-07-21 |
| 5473873 | Combination mower blade | — | 1995-12-12 |
| 5284006 | Combination mower blade | — | 1994-02-08 |
| 4261302 | Air cleaning system of internal combustion engine | — | 1981-04-14 |
| 4253238 | Filament type trimmer | — | 1981-03-03 |
| 4194609 | Speed and clutch control for engines including shift interlock | Edmund H. DuBois | 1980-03-25 |