Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5179770 | Machine and method for fabricating a sheet metal structure having a corrugated core | James P. Block, Gordon G. Jarosek | 1993-01-19 |
| 4291502 | Grinding or polishing tool | Emerson A. Grimsby | 1981-09-29 |