Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5548923 | Adjustable post or botanical collar apparatus | — | 1996-08-27 |
| 5430971 | Adjustable post or botanical collar apparatus and method | — | 1995-07-11 |
| 5361536 | Method to reduce vegetation about botanical trunk or post | — | 1994-11-08 |
| 5279069 | Adjustable tree collar and method | — | 1994-01-18 |