Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5229058 | Environmental sealing | David W. Uken, Paul Schoenstein | 1993-07-20 |
| 4888070 | Environmental sealing of a substrate | Brian Clark, William D. Uken, Paul Schoenstein | 1989-12-19 |
| 4680233 | Sealing material | William D. Uken | 1987-07-14 |