Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11826869 | Knife and tool sharpener | Bela Elek, Bill Hessler | 2023-11-28 |
| 11478890 | Assembly for sharpening and observing wear on a blade | William Kirk Hessler, Lee Clark, Rick Stapleford, Zach Siskind, Bela Elek | 2022-10-25 |
| D863914 | Sharpener | Bela Elek, Mike Endres, Tom Huber, Sam Weiner | 2019-10-22 |
| 9242331 | Electric sharpener for ceramic and metal blades | Bela Elek, Daniel D. Friel, Jr., Samuel Weiner | 2016-01-26 |
| D721937 | Electric knife sharpener | Bela Elek, Daniel D. Friel, Jr., Samuel Weiner | 2015-02-03 |
| 8585462 | Precision sharpener for ceramic knife blades | Daniel D. Friel, Jr., Samuel Weiner | 2013-11-19 |
| D688545 | Knife sharpener | Abraham Leibson, Daniel D. Friel, Sr., Daniel D. Friel, Jr. | 2013-08-27 |