Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697848 | Compound shaft with flexible disk coupling | — | 1997-12-16 |
| 5628232 | Flywheel rotor with conical hub and methods of manufacture therefor | Daniel Bakholdin, Harold A. Rosen, William Grayer | 1997-05-13 |