Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12250899 | Mulch gate control lever | William P. Johnson | 2025-03-18 |
| 11516965 | Electrically actuated mulch control lever | Ryan S. Strasser | 2022-12-06 |
| 8263694 | Polyurethane-containing grouts | John A. Simms | 2012-09-11 |
| 8240202 | Hand dynamometer with improved configuration for grip strength assessment | Bryan Wimer, Daniel E. Welcome, Thomas W. McDowell, Ren Dong | 2012-08-14 |
| 7393583 | Flooring tile | — | 2008-07-01 |
| 7255090 | Compression ignition engine with pressure-based combustion control | Hugh Fader | 2007-08-14 |
| 7183338 | Tile grout | — | 2007-02-27 |
| 5918577 | Stratified exhaust residual engine | Ronald Lee Martelli, William Francis Stockhausen | 1999-07-06 |