Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499260 | Portable greenhouse structure and method and apparatus for assembling same | Thomas S. Ohnstad | 2002-12-31 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499260 | Portable greenhouse structure and method and apparatus for assembling same | Thomas S. Ohnstad | 2002-12-31 |