Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5229125 | Molluscicidal water distribution system components | David E. Newman | 1993-07-20 |
| 4536018 | Rubber-backed expansion joint | — | 1985-08-20 |
| 4388259 | Fluorocarbon polymer gasket and method of manufacturing such | Walter E. B. Jewell | 1983-06-14 |