Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162834 | Weight-measurement retrofitting for waste compactors | Drew Sigmund, Jr. | 2021-11-02 |
| 11148383 | Weight-measurement retrofitting for recyclable-waste balers | Drew Sigmund, Jr. | 2021-10-19 |