Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4520795 | Solar collector having tank and glazing construction | William A. Parkyn, Sr., Horace W. Ladd | 1985-06-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4520795 | Solar collector having tank and glazing construction | William A. Parkyn, Sr., Horace W. Ladd | 1985-06-04 |