Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6418878 | Squirrel repellent bird feeder | Phillip Walton Cathell, John M. Davis, Jane Davis, Francis Wendell Johnson, Louis Pitts Holt, III +3 more | 2002-07-16 |
| 6341576 | Squirrel repellent bird feeder | Philip Walton Cathell, John M. Davis, Jane Davis, Francis Wendell Johnson, Louis Pitts Holt, III +4 more | 2002-01-29 |