Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6012420 | Automatic air inlet control system for an engine | Richard A. Dykstra | 2000-01-11 |
| 5904124 | Enrichment apparatus for internal combustion engines | Arthur G. Poehlman, Gary J. Gracyalny | 1999-05-18 |
| 5605130 | Electronic governor having increased droop at lower selected speeds | Richard A. Dykstra | 1997-02-25 |
| 5524588 | Electronic speed governor | Richard A. Dykstra | 1996-06-11 |
| 5497679 | Molded camshaft assembly | Leonard G. Miller | 1996-03-12 |
| 5474033 | Animal teaching/amusement device | — | 1995-12-12 |
| 5406994 | Portable gasoline container | John H. Thiermann | 1995-04-18 |
| D356951 | Gasoline container | John H. Thiermann, Kipp K. Stevens | 1995-04-04 |
| 5388176 | DC motor speed control system | Richard A. Dykstra | 1995-02-07 |
| 5320795 | Molded camshaft assembly | Leonard G. Miller | 1994-06-14 |
| 5310317 | Quadra-tang dovetail blade | Mark J. Bailey | 1994-05-10 |
| 5271718 | Lightweight platform blade | Mark J. Bailey | 1993-12-21 |
| 5234038 | Pour spout | John H. Thiermann, Paul R. Ruppel, Daniel E. Braun | 1993-08-10 |
| 5232346 | Rotor assembly and platform spacer therefor | Mark J. Bailey | 1993-08-03 |
| 5094456 | Rake head and rake head/golf club combination for use in raking golf course sand traps | — | 1992-03-10 |
| 5088273 | Lawnmower handle assembly | Daniel E. Braun, Casimir F. Laska | 1992-02-18 |
| 4372433 | Combination clutch/brake mechanism | Robert K. Catterson | 1983-02-08 |
| 4205737 | Clutch-brake mechanism for rotary mower engines | Joseph R. Harkness | 1980-06-03 |