Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619489 | Hand-held telecommunication tester | Paul Chang, Paul A. Marshall | 1997-04-08 |
| 5601311 | Seat belt web guide | Philip H. Goniea, Stephan F. Vetter | 1997-02-11 |
| 5415433 | Seat belt roller D-ring | — | 1995-05-16 |
| 5393098 | Seat belt height adjuster | Rudy V. Thomas | 1995-02-28 |
| 5211352 | Dual spring tension reducer | Christopher D. Meyer, David E. Righter, John G. MaCalla | 1993-05-18 |
| 4611854 | Self-standing seat buckle mount for automotive vehicles | — | 1986-09-16 |
| 4381086 | Seat belt retractor structure | — | 1983-04-26 |
| 4374449 | Mini seat belt buckle | Robert L. Stephenson | 1983-02-22 |
| 4343445 | Dual spool seat belt retractor with comfort feature | Klaus F. Ocker, Richard Jodts | 1982-08-10 |
| 4306735 | Safety belt clamp apparatus, occupant restraint system and method | Robert L. Stephenson, Per Olaf Weman | 1981-12-22 |
| 4265415 | Emergency release device for seat belt retractor | Terry R. Harrell | 1981-05-05 |