Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4436983 | Electric water heater with upwardly inclined zig-zag flow path | — | 1984-03-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4436983 | Electric water heater with upwardly inclined zig-zag flow path | — | 1984-03-13 |