Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6128981 | Folding hand tool set | John R. Bondhus, Michael D. Blackston, Barry Bondhus, Mark L. Petroske | 2000-10-10 |
| 5970828 | Folding hand tool set | John R. Bondhus, Michael D. Blackston, Barry Bondhus, Mark L. Petroske | 1999-10-26 |
| 5791211 | Folding hand tool set | John R. Bondhus, Michael D. Blackston, Barry Bondhus, Mark L. Petroske | 1998-08-11 |
| D382190 | Handle for a folding hand tool set | Michael D. Blackston, Mark L. Petroske | 1997-08-12 |
| 5251521 | TORX-compatible elliptical driver | Michael D. Blackston | 1993-10-12 |