Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4422934 | Magnetic device for the treatment of calcareous fluids | Darrell C. Spencer | 1983-12-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4422934 | Magnetic device for the treatment of calcareous fluids | Darrell C. Spencer | 1983-12-27 |