Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12246468 | Tri-paddle boring tool | — | 2025-03-11 |
| D1066442 | Self-feed bit | Jeremiah Hickman, Michael Preus | 2025-03-11 |
| D1009105 | Tri-paddle bit | — | 2023-12-26 |
| 10328499 | Step drill | — | 2019-06-25 |
| 10058929 | Step drill bit with variable helical flute | — | 2018-08-28 |
| 9687915 | Step drill | — | 2017-06-27 |
| 9156094 | Step drill for wood | Ryan Hall | 2015-10-13 |
| D723896 | Fastener attracting device for a driver tool | — | 2015-03-10 |
| 8764355 | Step drill bit | — | 2014-07-01 |
| 8147174 | Spade bit | — | 2012-04-03 |
| 8070397 | Self feed bit | — | 2011-12-06 |
| 8070398 | Multi-blade self feed bit | — | 2011-12-06 |
| 7922429 | Spade bit | — | 2011-04-12 |
| 7905690 | Spade bit | — | 2011-03-15 |
| 7544026 | Drill bit screw tip | — | 2009-06-09 |
| 7473056 | Spade bit | — | 2009-01-06 |
| 7316527 | Lockset drilling guide | David J. Trettin, Richard M. Davidian, Kristofor M. Hallee, Jonathan S. Holz, Robert McRorie +1 more | 2008-01-08 |
| 6994498 | Lockset drilling guide | David J. Trettin, Richard M. Davidian, Kristofor M. Hallee | 2006-02-07 |
| 6910837 | Lockset drilling guide | David J. Trettin, Richard M. Davidian, Kristofor M. Hallee | 2005-06-28 |
| 5149234 | Spot-weld removing tool | — | 1992-09-22 |
| 4815902 | Stepped fluted drill | — | 1989-03-28 |