Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5435415 | Cammed wedge elevator car door coupling | Richard E. Kulak, Edward E. Ahigian, Thomas M. McHugh, Jerome F. Jaminet, Thomas He +2 more | 1995-07-25 |
| 5373120 | Linear door motor system for elevators | David W. Barrett, Louis Bialy, Ernest P. Gagnon | 1994-12-13 |
| 4186381 | Gasoline station registration and control system | Donald W. Fleischer | 1980-01-29 |