Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7028914 | Piano humidistat | E. Keith Howell | 2006-04-18 |
| 6133519 | Piano humidity control system having moisture impermeable back or bottom cover | — | 2000-10-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7028914 | Piano humidistat | E. Keith Howell | 2006-04-18 |
| 6133519 | Piano humidity control system having moisture impermeable back or bottom cover | — | 2000-10-17 |