Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832119 | Multi-tube heat exchanger and connectors therefor | Lawrence J. Walton | 1989-05-23 |
| 4606327 | Solar water heating apparatus | Lawrence J. Walton | 1986-08-19 |
| 4597597 | Connection assemblies | Lawrence J. Walton | 1986-07-01 |
| 4517961 | Solar water heating apparatus | Lawrence J. Walton | 1985-05-21 |