Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357717 | Manual file and sharpening tool | Edwin Parkell | 1994-10-25 |
| D348598 | Manual file and sharpening tool | Erwin Parkell | 1994-07-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357717 | Manual file and sharpening tool | Edwin Parkell | 1994-10-25 |
| D348598 | Manual file and sharpening tool | Erwin Parkell | 1994-07-12 |