Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP11312 | Crape myrtle plant named `Whit V` | — | 2000-03-28 |
| PP10319 | Crape myrtle shrub named `Whit III` | — | 1998-04-07 |
| PP10297 | Crape Myrtle shrub named `Whit I` | — | 1998-03-24 |
| PP10296 | Crape Myrtle shrub named `Whit II` | — | 1998-03-24 |
| 5557886 | Plant growing container for air-pruning roots | — | 1996-09-24 |
| 5036619 | Capillary irrigation system | — | 1991-08-06 |
| 4939865 | Method and container for growing transplantable plants | Harold D. Stephens | 1990-07-10 |
| 4793097 | Plant container handling and protection system | — | 1988-12-27 |
| PP6383 | Crape myrtle | — | 1988-11-08 |
| PP6365 | Crape myrtle | — | 1988-11-01 |
| 4753037 | Plant growing method and container | — | 1988-06-28 |
| 4729189 | Subirrigation mat | — | 1988-03-08 |
| 4716680 | Plant growth container and method | Harold D. Stephens | 1988-01-05 |
| 4574522 | Root control bag | Ralph E. Reiger | 1986-03-11 |
| 4510712 | Air-root-pruning container | — | 1985-04-16 |
| 4497132 | Air-root-pruning container | — | 1985-02-05 |
| 4442628 | Root-pruning container | — | 1984-04-17 |
| 4328025 | Micronutrient fertilizer | — | 1982-05-04 |