Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4697243 | Methods of servicing an elevator system | William H. Moore, William J. Trosky, Thomas A. Butler | 1987-09-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4697243 | Methods of servicing an elevator system | William H. Moore, William J. Trosky, Thomas A. Butler | 1987-09-29 |