Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4716096 | Method and apparatus for producing characters on a grit-erodible body | Larry L. Cooper | 1987-12-29 |
| 4522095 | Hole punch for a cutting die | Jack R. Simpson | 1985-06-11 |
| 4306476 | Hole punch for a cutting die | Jack R. Simpson | 1981-12-22 |