Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7377363 | Elevator with variable drag for car and counterweight | Harold Terry | 2008-05-27 |
| 6742627 | Elevator pressure traction arrangement | Slawomir Drabot, Simon Shang | 2004-06-01 |
| 6484849 | Elevator speed measurement system including reflective signal technology for making speed determinations | Alberto Vecchiotti | 2002-11-26 |
| 6277085 | Solenoidal skin vibrator energized by complex electric waveforms | — | 2001-08-21 |
| 6175323 | Differential pair-based folding interpolator circuit for an analog-to-digital converter | — | 2001-01-16 |
| 6114882 | Current comparator and method therefor | — | 2000-09-05 |