Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11415977 | Maintenance control program | Daniel C. Swett, Kenneth J. Smith | 2022-08-16 |
| 7261184 | Elevator system and triangulated support structure for the same | Patrick Bass | 2007-08-28 |
| 6830355 | Refractive sheet lighting assembly for an elevator | Patrick Bass, Aranggi Soemardjan | 2004-12-14 |
| 6494298 | High efficiency shoes for a jack arrester | Paul L. Baldwin | 2002-12-17 |
| 6371254 | Jack arrestor | — | 2002-04-16 |
| 5900596 | Hydraulic brake controller | Paul L. Baldwin, Tony S. Huen, James L. Murphy | 1999-05-04 |
| 5810119 | Jack arrestor | — | 1998-09-22 |