Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6016739 | Piston and method for reducing wear | — | 2000-01-25 |
| 5552040 | Method of increasing service life of oil and a filter for use therewith | Henry R. Vanderzyden, Kenneth N. Baker | 1996-09-03 |
| 5435912 | Method of increasing service life of synthetic oil and an apparatus for use therewith | Henry R. Vanderzyden | 1995-07-25 |
| 5374354 | Method of increasing service life of oil and a filter in an integrated drive generator or constant speed drive and improved oil filter for use therein | Henry R. Vanderzyden | 1994-12-20 |
| 4743776 | Starter-generator for engines | Victor N. Benson, Wayne A. Flygare | 1988-05-10 |