Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6874482 | Diaphragm carburetor with air purge system | William F. Lahner, III | 2005-04-05 |
| 6390034 | Reciprocating impact tool having two-cycle engine oil supply system | David W. Ambrose, Todd Skibinski | 2002-05-21 |
| 5984425 | Spring applied/hydraulically released braking system employing self-resetting override valve | — | 1999-11-16 |
| 5586630 | Spring applied/fluid released parking brake | — | 1996-12-24 |
| 5564375 | Start circuit with anti-restart circuitry | — | 1996-10-15 |
| 4568218 | Adjustably controllable centrifugal vibratory exciter | — | 1986-02-04 |