Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9241447 | Covering mechanism for a cold frame | — | 2016-01-26 |
| 6260308 | Covering mechanism for a greenhouse | — | 2001-07-17 |
| 4518817 | Buried conductor cable energy distribution system with conductor loop enclosure | James R. Kirby | 1985-05-21 |
| 4231141 | Attachment device for flexible films and fabrics | Danny O. Derrick | 1980-11-04 |