Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6022214 | Intraoral illumination device and method of using the same | Thomas R. Hirsch | 2000-02-08 |
| D375233 | Automatic espresso tamp | — | 1996-11-05 |
| 5371987 | Acoustical door | Scott Stewart | 1994-12-13 |
| 4235586 | Gas ignition control | — | 1980-11-25 |
| 4228344 | Method for providing electrical connection | Charles J. Boos, Elwood B. Hausler, Martin R. Kasprzyk, Elmer G. Smith | 1980-10-14 |
| 4205363 | Fuel ignitor comprising a novel silicon carbide composition | Charles J. Boos, Elwood B. Hausler, Martin R. Kasprzyk, Elmer G. Smith | 1980-05-27 |