Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7374470 | Knife sharpening apparatus | — | 2008-05-20 |
| 6544112 | Belt tracking adjustment means for belt type abrading machine | — | 2003-04-08 |
| 5652381 | Ignition system test instrument | — | 1997-07-29 |
| 5593257 | Apparatus for removing hardened substances | — | 1997-01-14 |
| D320811 | Electric eraser | — | 1991-10-15 |
| 5036626 | Knife sharpening machine with force relief means | — | 1991-08-06 |
| D305029 | Belt type abrading machine | — | 1989-12-12 |
| 4742649 | Belt tracking adjustment means for belt type abrading machine | — | 1988-05-10 |
| 4570124 | Ignition system test/diagnostic instrument | — | 1986-02-11 |
| 4188723 | Window putty removal apparatus | — | 1980-02-19 |