Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4622775 | Hydroponic plant collars | Edward P. Glenn | 1986-11-18 | $37,254,000 |
| 4513533 | Method and apparatus for hydroponic farming | Edward P. Glenn | 1985-04-30 | $14,800,000 |