Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4894108 | Method of forming a composite leaf spring with fabric wear pad | David S. Richard, John E. Mutzner, Thomas Rau | 1990-01-16 |
| 4761917 | Deflatable weatherstrips | Allen F. Knecht, Stanley E. Smith, Jack E. Smith | 1988-08-09 |