Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8034424 | Shop horse pad | Harry C. Smith | 2011-10-11 |
| 6550546 | Spindle lock and chipping mechanism for hammer drill | James E. Thurler, John E. Nemazi | 2003-04-22 |
| 6223833 | Spindle lock and chipping mechanism for hammer drill | James E. Thurler, John E. Nemazi | 2001-05-01 |