Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D316954 | Jeweler's tool mounting plate | Donald J. Glaser | 1991-05-21 |
| 4373299 | Tool finishing machine having improved support table | Donald J. Glaser | 1983-02-15 |
| 4259814 | Tool sharpening machine | Donald J. Glaser | 1981-04-07 |
| 4216718 | Mechanism for adjusting blanket-to-blanket squeeze of perfecting press | Ronald D. Welborn, Samuel G. Humphreys | 1980-08-12 |