Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11767190 | Wrapping material roll tensioner and method | Michael A. Frederick | 2023-09-26 |
| 11401125 | Wrapping material roll tensioner system, method of manufacture and use | Michael A. Frederick | 2022-08-02 |
| 10829330 | Wrapping material roll tensioner | Michael A. Frederick | 2020-11-10 |
| 10717620 | Wrapping material roll tensioner | Michael A. Frederick | 2020-07-21 |
| 10167139 | Self-venting trashcan system | Michael A. Frederick | 2019-01-01 |