Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11078669 | Applying a release material to a shingle during manufacturing | Chris Freeborg, Alex Alekhine, David C. Humphreys | 2021-08-03 |
| 11028555 | Implement teeth grading offset determination | — | 2021-06-08 |
| 10914073 | Curtain die for applying a liquid release agent to a shingle substrate | David C. Humphreys, Christopher Freeborg, Alex Alekhine | 2021-02-09 |