Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9956662 | Cutting tool sharpener | — | 2018-05-01 |
| 9914193 | Powered sharpener with cold forging member | — | 2018-03-13 |
| 9849556 | Cutting tool sharpener | — | 2017-12-26 |
| 9833879 | Hand-held sharpener with multi-stage sharpening capabilities | — | 2017-12-05 |
| 9833880 | Hand-held sharpener with multiple abrasive rods to sharpen a cutting edge of a tool | — | 2017-12-05 |
| 9808901 | Selectively deployable rotatable edge guide to support a cutting tool during a sharpening operation | — | 2017-11-07 |
| 9808902 | Powered tool sharpener with multi-speed abrasive | — | 2017-11-07 |
| 9731395 | Tilted angle abrasive belt sharpener | — | 2017-08-15 |
| 9623533 | Sharpening a cutting edge of a tool using a reverse sharpening guide | — | 2017-04-18 |
| 9358654 | Sharpening a cutting tool using multiple abrasive belts | — | 2016-06-07 |
| 9333612 | Tool sharpener with adjustable support guide | — | 2016-05-10 |
| 9302364 | Hand-held tool sharpener with flexible abrasive disk | — | 2016-04-05 |
| 9216487 | Manual tool sharpener with moveable abrasive surface | — | 2015-12-22 |
| 9168626 | Cutting tool sharpener | Christopher T. DeLorenzo, Steven J. Miner | 2015-10-27 |
| 9050709 | Hand-held sharpener with multi-stage sharpening capabilities | — | 2015-06-09 |
| D730137 | Powered sharpener base unit | Kenneth J. Onion, Matthew S. Ferdinand, Steven L. Baker | 2015-05-26 |
| 9039494 | Hand-held sharpener with multiple abrasive rods to sharpen a cutting edge of a tool | — | 2015-05-26 |
| 8998680 | Sharpener for cutting tools | — | 2015-04-07 |
| D723895 | Attachment for a powered sharpener | — | 2015-03-10 |
| 8790162 | Sharpening a cutting edge of a tool using a reverse sharpening guide | — | 2014-07-29 |
| 8784162 | Sharpener for cutting tools | — | 2014-07-22 |
| 8696407 | Cutting tool sharpener | — | 2014-04-15 |
| 8512103 | Cutting tool sharpener | Christopher T. DeLorenzo, Steven J. Miner | 2013-08-20 |
| 8388413 | Wideblade sharpening guide | Christopher T. DeLorenzo | 2013-03-05 |
| 8277291 | Abrasive slotted disc with controlled axial displacement of a workpiece | — | 2012-10-02 |