Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4691726 | Method and apparatus for valve assembly for a hot water tank | Robert L. Studer | 1987-09-08 |
| 4508130 | Method and apparatus for repairing water leaks | Robert L. Studer | 1985-04-02 |