Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9884373 | Hole saw with interchangeable cutting blades | — | 2018-02-06 |
| 9550237 | Chuck tool and bits | — | 2017-01-24 |
| 9421694 | Hole saw assembly including drive shafts supported by a rotatable annulus | — | 2016-08-23 |
| 9120162 | Hole saw with interchangeable cutting blades | — | 2015-09-01 |
| 9022703 | Hole saw assembly | — | 2015-05-05 |
| 8992140 | Hole saw assembly | — | 2015-03-31 |
| 8522582 | Dual lock apparatus | — | 2013-09-03 |
| 7959371 | Hole saw assembly | — | 2011-06-14 |
| 7850405 | Hole saw boss | — | 2010-12-14 |
| 7621703 | Hole saw assembly | — | 2009-11-24 |
| D564547 | Holesaw arbour | — | 2008-03-18 |
| D564548 | Small holesaw boss | — | 2008-03-18 |
| 7101124 | Hole saw assembly | — | 2006-09-05 |
| 7097397 | Hole-saw assembly including two hole-saws | — | 2006-08-29 |
| 6983962 | Deadlock arrangement for locks | — | 2006-01-10 |
| 6964183 | Dual lock apparatus | — | 2005-11-15 |