Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635689 | Acceleration damping of elevator resonant modes and hydraulic elevator pump leakage compensation | Mark Eugene Shepard, Harold Terry | 1997-06-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635689 | Acceleration damping of elevator resonant modes and hydraulic elevator pump leakage compensation | Mark Eugene Shepard, Harold Terry | 1997-06-03 |