Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D936437 | Saw blade | Robert W. Butzen, Andrew J. Schulz | 2021-11-23 |
| 11141805 | Saw blade | Robert W. Butzen, Andrew J. Schulz | 2021-10-12 |
| 11007588 | Saw blade | Robert W. Butzen, Andrew J. Schulz | 2021-05-18 |
| D911796 | Saw blade | Alexander A. Chollet, Geoffrey R. Piller, Rudolph S. Fortuna, Walter R. Knapp | 2021-03-02 |
| D909159 | Saw blade | Peter R. Heath, Bryan C. Ward, Christopher J. Rechlin, Matthew B. Lois | 2021-02-02 |