Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777505 | Door system for movable structures | — | 2017-10-03 |
| 7849639 | Stressed membrane structure | — | 2010-12-14 |
| 5283993 | Hydraulically-operated scissor opening for stressed membrane structure | — | 1994-02-08 |
| 5001859 | Method and structure for environmental control of plant growth | — | 1991-03-26 |
| 4996791 | Method and structure for improved natural lighting for plant growth | — | 1991-03-05 |
| 4982527 | Seedling propagation assembly | — | 1991-01-08 |
| 4956936 | Method and system for purification of water for greenhouse structures | — | 1990-09-18 |
| 4833825 | System for supporting growing plants | — | 1989-05-30 |
| 4830276 | Heater system for greenhouses | — | 1989-05-16 |
| 4800674 | Greenhouse structure | — | 1989-01-31 |
| 4788791 | Cooling system for greenhouse structures | — | 1988-12-06 |
| 4770347 | Aeration assembly for a nutrient feed solution for a nutrient film propagation system for plants | — | 1988-09-13 |