Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878647 | Pneumatic impulse valve and separation system | Robert N. Hohenshil | 1989-11-07 |
| 4865291 | Method and apparatus for deicing a leading edge | James A. Briscoe, Ronald W. Phillips, II | 1989-09-12 |
| 4836474 | De-icer | James A. Briscoe, Ronald W. Phillips, II, Kevin L. Leffel | 1989-06-06 |
| 4832578 | Multi-stage compressor | — | 1989-05-23 |
| 4826108 | De-icer | James A. Briscoe, Ronald W. Phillips, II, Gary V. Tenison, Kevin L. Leffel | 1989-05-02 |
| 4807515 | Method and apparatus for deicing a leading edge | James A. Briscoe, Ronald W. Phillips, II | 1989-02-28 |