Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4304107 | Series spring torsional vibration damper | Paul E. Lamarche | 1981-12-08 | $6,623,000 |
| 4302951 | Torsional vibration damper | Paul E. Lamarche | 1981-12-01 | $1,495,000 |
| 4188805 | Torsional vibration damper | Paul E. Lamarche | 1980-02-19 | $2,097,000 |
| 4188806 | Torsional vibration damper assembly | Paul E. Lamarche | 1980-02-19 | $2,097,000 |