Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370587 | Hub-containing element retention mechanism | Philip S. Johnson, Eugene F. Hildebrandt | 1994-12-06 |
| 5275577 | Pulley retention mechanism | Eugene F. Hildebrandt, Philip S. Johnson | 1994-01-04 |