Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396989 | Dipwell tray with multiplicity of needle orienting dipwells | — | 1995-03-14 |
| 4969382 | Pitch changing device for guitar | Douglas S. Hein | 1990-11-13 |
| 4759755 | Device for transferring liquid from a vial to a multi-pointed applicator | Donald R. Mowen | 1988-07-26 |