Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9188204 | Safety apparatus for use with a sheave | John M. Ryan | 2015-11-17 |
| 8789816 | Hand protection safety apparatus for use with sheaves and pulleys | John M. Ryan | 2014-07-29 |
| 7404540 | Primary pole piece for a solenoid actuator | Dwight H. Overmoyer, Thomas H. Lichti, Jack E. Gerke | 2008-07-29 |
| 4768720 | Fuel injection | — | 1988-09-06 |