Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7185678 | Orifice plate diffuser | Stephen Eric Witt | 2007-03-06 |
| 6332511 | Silencer assembly having single strand fiberglass acoustic pack material | Michael P. Parlato, Stephen Eric Witt | 2001-12-25 |