Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353501 | Method of manufacturing variable orifice devices | Robert A. Naugle, John R. Tinney | 1994-10-11 |
| 5141029 | Variable orifice device | Robert A. Naugle, John R. Tinney | 1992-08-25 |