Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411106 | Miniature belt grinder | Walter N. Welsch | 1983-10-25 |
| D270369 | Universal pneumatic swivel | — | 1983-08-30 |
| 4368597 | Miniature belt grinder | — | 1983-01-18 |
| D265172 | Casing for a portable belt grinder | Walter N. Welsch | 1982-06-29 |
| D262116 | Contact arm unit for a belt grinding machine | — | 1981-12-01 |
| 4237659 | Quick change adapter for mounting rotatable grinding elements | Walter N. Welsch | 1980-12-09 |
| D255034 | Machine housing for belt-type surface finishing tool | Walter N. Welsch | 1980-05-20 |
| D254789 | Arm for a belt grinding machine | — | 1980-04-22 |