Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12350783 | Clamping assembly for a blade sharpener | — | 2025-07-08 |
| 11897076 | Knife sharpener with clamping assembly | — | 2024-02-13 |
| 11685010 | Adjustable sharpening apparatus and method for cutting implements | — | 2023-06-27 |
| 11317178 | Low-frequency spiral waveguide speaker | — | 2022-04-26 |
| 11052512 | Adjustable knife sharpener and clamping assembly | — | 2021-07-06 |
| 10744614 | Adjustable sharpening apparatus and method for cutting implements | — | 2020-08-18 |
| 10131028 | Adjustable sharpening apparatus and method for cutting implements | — | 2018-11-20 |
| 9216488 | Adjustable sharpening apparatus and method for cutting implements | — | 2015-12-22 |
| 8262438 | Knife sharpener | Douglas E. Kennemore | 2012-09-11 |