Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6132877 | High density, low porosity, carbon composite clutch material | Greg Alan Weeter | 2000-10-17 |
| 5662993 | Carbon-based friction material for automotive continuous slip service | — | 1997-09-02 |
| 5033848 | Pendulous compensator for light beam projector | Edward E. Hart, Douglas B. Monnin | 1991-07-23 |
| 5026157 | Magnetic motion damping system for pendulous compensator | — | 1991-06-25 |
| 4971440 | Projection of two orthogonal reference light planes | Daniel R. Klemer, John P. Dugan | 1990-11-20 |
| 4848776 | Exclusion seal assembly | — | 1989-07-18 |
| 4830128 | Four wheel steering having closed hydraulic system with pressure relief | David M. Preston | 1989-05-16 |
| 4828089 | Brake/clutch with direct liquid cooling | Marcus H. Collins | 1989-05-09 |
| 4776418 | Four wheel steering having closed hydraulic system with pressure control assembly | David M. Preston | 1988-10-11 |
| 4700823 | Clutch with pyrolytic carbon friction material | — | 1987-10-20 |
| 4319668 | Push-pull caliper | Roger R. Johnson, Charles W. Kleinhagen, Jr., Richard F. Neuman | 1982-03-16 |