Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8103045 | Structure function monitor | Peter C. Zimmer, Mark Ackermann | 2012-01-24 |
| 7319556 | Wide field of view telescope | Mark Ackermann, Peter C. Zimmer | 2008-01-15 |
| 4850263 | Spring brake construction and method of manufacture thereof | Donald Rumsey | 1989-07-25 |