Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5402812 | Timed water control shower valve, system and method | Alve J. Erickson, John S. Howland | 1995-04-04 |
| D355705 | Shower control valve | Alve J. Erickson, John S. Howland | 1995-02-21 |
| 4921209 | Water control valve | — | 1990-05-01 |
| 4867189 | Water flow shower control valve and method | — | 1989-09-19 |