Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354546 | Header pair and double tube mat connection | — | 1982-10-19 |
| 4353352 | Solar thermosyphon water heater | — | 1982-10-12 |
| 4349070 | Tube mat heat exchanger | Steven E. Krulick, Ronald W. Leonard | 1982-09-14 |