Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6959909 | Actuating handle assembly | Steven A. Wortmann | 2005-11-01 |
| 6938879 | Valve seal with pressure relief channels and expansion voids | Richard R. Weston, Steven A. Wortmann | 2005-09-06 |