Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813829 | Tooling apparatus comprising a holder and tool head releasably mounted thereon | — | 1989-03-21 |
| 4475852 | Retractable rotary cutting tool | — | 1984-10-09 |
| 4355932 | Indexable spade drill blade | Wayne E. Blackmun | 1982-10-26 |