Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7017915 | Stem or shaft seal arrangement | David Bayreuther | 2006-03-28 |
| 4508315 | Bidirectional valve seal | Carl F. Livorsi, Joseph A. Wucik, Jr., Lawrence F. Struzik | 1985-04-02 |