Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4459754 | Method and apparatus for measuring interior sheave groove dimensions | Kentaro Yasuda, Janis J. Cilderman | 1984-07-17 |
| 4460065 | Rope sway warning device for compensating ropes in elevator systems | — | 1984-07-17 |