Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4313650 | Apparatus for controlling light and heat transference for greenhouses | Douglas George WARD | 1982-02-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4313650 | Apparatus for controlling light and heat transference for greenhouses | Douglas George WARD | 1982-02-02 |