Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10124814 | Passenger cabin of a vehicle and a method of manufacturing a passenger cabin | Richard Ira Butterfield | 2018-11-13 |
| 8449245 | Vertically rotatable shaft assembly with thermally insulated housing | — | 2013-05-28 |
| 8215899 | Vertically rotatable shaft assembly with thermally insulated housing | — | 2012-07-10 |
| 7239056 | Low speed canned motor | Dale B. Andrews | 2007-07-03 |
| 6759774 | Low speed canned motor | — | 2004-07-06 |
| D343998 | Concrete finishing tool bracket | — | 1994-02-08 |
| D333245 | Concrete float | — | 1993-02-16 |
| D273383 | Pump intake manifold | — | 1984-04-10 |