Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7387194 | Automatic passenger conveyor slow speed operation | — | 2008-06-17 | $40,210,000 |
| 6202797 | Automatic protection of elevator mechanics | Chester J. Slabinski, Frank Sansevero | 2001-03-20 | $38,116,000 |
| 6152265 | Accommodating visually handicapped in elevator up-peak channeling | Joseph Bittar, Joseph Bledsoe, Bruce A. Powell, Michael Hayes Wilson | 2000-11-28 | $173,508,000 |