Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7070162 | Valve actuating apparatus | Donald Sack, Peter G. Hutchings | 2006-07-04 |
| 6974117 | Proportional valve actuating apparatus | William H. Nash, Peter G. Hutchings | 2005-12-13 |