Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6435314 | Elevator platform stabilization coupler | Thomas He, Richard C. McCarthy, Chris Singarella | 2002-08-20 | $35,711,000 |
| 6431325 | Acceleration control system utilizing elevator platform stabilization coupler | Thomas He, Richard C. McCarthy, Chris Singarella | 2002-08-13 | $229,978,000 |
| 6152265 | Accommodating visually handicapped in elevator up-peak channeling | Joseph Bittar, Bruce A. Powell, Steven M. Skolnick, Michael Hayes Wilson | 2000-11-28 | $173,508,000 |