Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10372106 | Methods and apparatus for increasing the range of digital inputs and outputs on a door operator or closer | Peter E. Zasowski | 2019-08-06 |
| 10253540 | Apparatus for connecting door closer or operator to swing door | Robert M. Bell, Peter E. Zasowski | 2019-04-09 |
| 10180023 | Apparatus and method for control of spring force in a door closer or operator | Peter E. Zasowski | 2019-01-15 |