Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353604 | Viscous/friction damper | Michael D. Dulberger, David H. Hibner | 1982-10-12 |
| 4337982 | Friction damper | Stephen H. Dallmann | 1982-07-06 |
| RE30210 | Damped intershaft bearing and stabilizer | Dennis F. Buono, Nils G. Carlson, David H. Hibner | 1980-02-12 |