Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5172600 | Linear weight actuator | David C. Doerschuk, Karsten G. Koester, Gordon K. Reed | 1992-12-22 |
| 5060539 | Pneumatic stepper motor actuator | David C. Doerschuk, Karsten G. Koester, Gordon K. Reed | 1991-10-29 |