Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4630397 | Drum and cable mechanisms for opening/closing greenhouse vent | George J. Dean, Jr., Lloyd W. Braa | 1986-12-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4630397 | Drum and cable mechanisms for opening/closing greenhouse vent | George J. Dean, Jr., Lloyd W. Braa | 1986-12-23 |