Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340478 | Dual chamber water filter | Charles D. Strand | 1994-08-23 |
| D348921 | Combined water filter, flow regulator and shower head | Charles D. Strand | 1994-07-19 |
| 5041219 | Dual chamber water filter | Charles D. Strand | 1991-08-20 |