Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281454 | Automatic pilot valve system for foundation tooling | — | 2025-04-22 |
| 10145193 | Axially separating drill bucket | Stanley J. Anderson | 2018-12-04 |
| D824436 | Spiral tapered cutter bit for drill head | Luis Miguel Porturas | 2018-07-31 |
| 9309736 | Axially separating drill bucket | — | 2016-04-12 |
| 7661220 | Firearm trigger assembly | David L. Crandall | 2010-02-16 |
| D601592 | Pocket protecting retainable cutter bit | Luis Miguel Porturas | 2009-10-06 |
| 7337574 | Frame for a firearm | David L. Crandall | 2008-03-04 |
| 7225574 | Forwardly movable assembly for a firearm | David L. Crandall | 2007-06-05 |
| 6912441 | Rule-based method for packaging spools of fiber | Kevin Booth, John Arthur Prytulka, Thomas Wilson Oakley | 2005-06-28 |
| 5178213 | Automotive ram air system | Stephan G. Adelman | 1993-01-12 |
| 5058928 | Auxiliary device for a pneumatic quick-release coupling | — | 1991-10-22 |