Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5533544 | Supply biased pneumatic pressure relay | Barry L. Gaarder | 1996-07-09 |
| 5439021 | Electro-pneumatic converter | Brian J. Burlage, Steven B. Pauller, Barry L. Gaarder | 1995-08-08 |