Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9958360 | Energy audit device | Arjun Dasgupta, Niklas Philipsen, Euan Davidson, Jared Culp, Matt Greenfield | 2018-05-01 |
| 5345255 | Actuator mechanism for a plotter carriage | Patrick Nguyen | 1994-09-06 |
| 5245363 | Pen cleaning system for a pen plotter | John M. Bertalan, Patrick Nguyen | 1993-09-14 |
| 4691605 | Cutter assembly with rotating knife blade | Anatoly Vanetik | 1987-09-08 |
| 4621535 | Forward engagement and reverse disengagement device | Bruce A. Bronson | 1986-11-11 |