Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324197 | Portable power source for dental handpiece illumination | Nat R. Shain, Stan Lillard | 1994-06-28 |
| 4576141 | Fireplace apparatus for sliding door aperture | — | 1986-03-18 |