Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6736217 | Weed, weed root and root vine removing, cultivating tool | — | 2004-05-18 |
| 6690940 | System for selective prevention of non-emergency use of an electronic device | James W. Brown, George W. Brown | 2004-02-10 |