Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6039151 | Backup apparatus for a hydraulic elevator brake control | James L. Murphy | 2000-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6039151 | Backup apparatus for a hydraulic elevator brake control | James L. Murphy | 2000-03-21 |