Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956925 | Edge thickness caliper | — | 1990-09-18 |
| 4669224 | Vertical to horizontal adapter for a belt grinding machine | Archie E. Armstrong | 1987-06-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956925 | Edge thickness caliper | — | 1990-09-18 |
| 4669224 | Vertical to horizontal adapter for a belt grinding machine | Archie E. Armstrong | 1987-06-02 |