Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11652440 | Frame elevated autonomous single axis 360 degree declination solar tracking array | — | 2023-05-16 |
| 10591183 | Unpressurized horizontal electric storage tank water heater | — | 2020-03-17 |
| 9791503 | Packaged oscillators with built-in self-test circuits that support resonator testing with reduced pin count | James Bryan Northcutt, Stephen Tibbitts, Robert A. Gubser, John W. Fallisgaard, Kenneth L. Astrof | 2017-10-17 |
| 9431955 | Monolithic composite resonator devices with reduced sensitivity to acceleration and vibration | James Bryan Northcutt, Eugene S. Trefethen, Harry LeRoy Sutter, Stephen Tibbitts, Charles Michael Rice | 2016-08-30 |
| 8143506 | Hammer assembly for grand piano | Kevin Burke, Kirk Burgett | 2012-03-27 |
| D641392 | Damper lever flange for grand piano | Kirk Burgett | 2011-07-12 |
| D636430 | Damper lever for grand piano | Kirk Burgett | 2011-04-19 |
| 7781652 | Universal grand piano piano action with simultaneous half stroke keyboard design capability | Kevin Burke, Kirk Burgett | 2010-08-24 |
| 7687692 | Hammer shank and shank butt for piano | Kevin Burke, Kirk Burgett | 2010-03-30 |
| 7687693 | Grand piano composite piano action | Kevin Burke, Kurk Burgett | 2010-03-30 |
| 7687694 | Low inertia grand piano piano action | Kevin Burke, Kirk Burgett | 2010-03-30 |