Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11235984 | Water treatment device | Peter K. Baker, Anton Bardak | 2022-02-01 |
| 5488278 | Load limit system for mechanical linear actuator | Peter S. McGraw | 1996-01-30 |
| D254627 | Hand-held shower head | Francis C. Keffer | 1980-04-01 |
| 4193553 | Hand-held shower head | Francis C. Keffer | 1980-03-18 |