Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D881853 | Microphone stand with even legs | — | 2020-04-21 |
| D866535 | Microphone stand with uneven legs | — | 2019-11-12 |
| D866534 | Microphone stand with a top mounted arm | — | 2019-11-12 |
| 9060516 | Method for controlling aquatic weeds | Joseph Zawierucha, Glenn W. Oliver, Richard Roger Evans, Daniel D. Beran, Joseph G. Vollmer +4 more | 2015-06-23 |
| 8080497 | Method of controlling the aquatic weed Hydrilla verticillata | Joseph Zawierucha, W. Glenn Oliver, Rick Evans, Daniel D. Beran, Joseph G. Vollmer +4 more | 2011-12-20 |
| 6443869 | Transaxle with controlled traction differential | John Schreier, Matthew Hansen, Ron Sporrer | 2002-09-03 |
| 6358175 | Controlled traction cartridge and differential for a hydrostatic transmission | John Schreier, Matthew Hansen, Ron Sporrer | 2002-03-19 |
| 6286309 | Method of making a hydrostatic transmission having controlled fluid pressure | Michael L. Bennett | 2001-09-11 |
| 6152846 | Integrated hydrostatic transaxle with controlled traction differential | John Schreier, Matthew Hansen, Ron Sporrer | 2000-11-28 |
| 6073444 | Combination valve including improved neutral valve for use in hydrostatic transmission | Michael L. Bennett | 2000-06-13 |
| 5984822 | Integrated hydrostatic transaxle with controlled traction differential | John Schreier, Matthew Hansen, Ron Sporrer | 1999-11-16 |
| 5899826 | Controlled traction cartridge and differential | John Schreier, Matthew Hansen | 1999-05-04 |
| 5897452 | Integrated hydrostatic transaxle with controlled traction differential | John Schreier, Matthew Hansen, Ron Sporrer | 1999-04-27 |
| 5863271 | Controlled traction cartridge and differential | John Schreier, Matthew Hansen | 1999-01-26 |
| 5855116 | Combination valve including improved neutral valve for use in a hydrostatic transmission | Michael L. Bennett | 1999-01-05 |
| 5546752 | Combination valve including improved neutral valve for use in hydrostatic transmission | Michael Thomas Bennett | 1996-08-20 |