Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10485167 | Control assembly for a walk-behind mower | — | 2019-11-26 |
| 9156592 | Rapid closing security container | — | 2015-10-13 |
| 7867117 | In-line belt driven tille drive clutch | Usman Firdaus | 2011-01-11 |
| 6782582 | Vacuum unit with hose attachment member | Usman Firdaus, John Dawson, Jeffery R. Kucera | 2004-08-31 |
| 6519805 | Adjustable vacuum nozzle | Usman Firdaus, John Dawson, Jeffery R. Kucera | 2003-02-18 |
| 4937860 | Security device for a telephone instrument | — | 1990-06-26 |