Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8735699 | Main action rail for upright piano with front-accessible whippen flange screw | Kirk Burgett, Dana Mazzaglia | 2014-05-27 |
| 8614382 | Damper action for upright piano with sostenuto spring tab using tension from the damper spring | Kirk Burgett, Dana Mazzaglia | 2013-12-24 |
| 8541671 | Lost motion compensation device for an upright piano action | Kirk Burgett, Dana Mazzaglia | 2013-09-24 |
| 8487172 | Piano action flange with open-slotted rail attachment feature | Kirk Burgett, Dana Mazzaglia | 2013-07-16 |