Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977885 | Hot water heating system with selective bypass | Eleanor B. Herweyer | 1990-12-18 |
| 4519919 | Method and apparatus for magnetically treating fluids | Lance Whyte | 1985-05-28 |