Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5546880 | Annular filamentary structures and methods of making | Kevin L. Leffel | 1996-08-20 |
| 5098061 | Cascaded pneumatic impulse separation system and valves therefor | Robert N. Hohenshil, James C. Putt, Richard L. Rauckhorst, III | 1992-03-24 |