Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10677758 | System and method for detecting multiple fragments in a target missile | Donald Chaffee, Douglas Heermann | 2020-06-09 |
| 10571223 | System and method for detecting hit locations using the time domain | Karl F. Kiefer, Donald Chaffee, Douglas Heermann | 2020-02-25 |
| 9354136 | Method for determination of multiple shrapnel hits on a ballistic target threat | Doug Heermann | 2016-05-31 |
| 8316690 | Hypervelocity impact and time of arrival detection method and system | Karl F. Kiefer, Doug Heerman, Christopher DePalm, Gulnara Roberson, Eric M. Krug | 2012-11-27 |