Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5598839 | Positive expiratory pressure device | Rex A. Niles, George Puderbaugh, Stephen J. Scheuermann | 1997-02-04 |
| 4614063 | Apparatus for finishing surfaces | Roger P. Crivaro, Ronald M. McHenry | 1986-09-30 |