Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4792829 | Light-exposure control unit | — | 1988-12-20 |
| 4602551 | Gated electronic metronome | David R. Nelson | 1986-07-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4792829 | Light-exposure control unit | — | 1988-12-20 |
| 4602551 | Gated electronic metronome | David R. Nelson | 1986-07-29 |