Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884596 | Plumbing fixture with interior insulating and adhesive foam | Tracy H. Lang | 1989-12-05 |
| 4621679 | Water system valve for draining heat exchangers | Fred D. Solomon | 1986-11-11 |