Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227979 | Door operator calibration | — | 2025-02-18 |
| 12071803 | Powered opening module for a door closer | Daniel Langenberg, Jason Fodstad, Adithya G. Shetty, David V. Toloday | 2024-08-27 |
| 11661786 | Powered opening module for a door closer | Daniel Langenberg, Jason Fodstad, Adithya G. Shetty, David V. Toloday | 2023-05-30 |
| 10790766 | Dynamic energy harvesting and variable harvesting force system | Daniel Langenberg, Michael Stock | 2020-09-29 |
| 10348221 | Dynamic energy harvesting and variable harvesting force system | Daniel Langenberg, Michael Stock | 2019-07-09 |
| 5638055 | Communication resource allocation by interrupt status | Daniel J. McDonald, Herbert Wolf | 1997-06-10 |
| 5491835 | Method for maintaining audience continuity of a communication group call | Michael D. Sasuta | 1996-02-13 |