Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D544153 | Bird feeder | — | 2007-06-05 |
| D535445 | Squirrel proof seed port | — | 2007-01-16 |
| D524490 | Window bird feeder | — | 2006-07-04 |
| 7032539 | Bi-modal seed port with pivoting trough | — | 2006-04-25 |
| 6863024 | Convertible seed port for bird feeder | — | 2005-03-08 |
| 6408788 | Bi-modal seed port for bird feeder | Robert Paul Lieb | 2002-06-25 |
| 4960255 | Spring supported mailbox post | — | 1990-10-02 |
| 4951904 | Stake supported mailbox post | — | 1990-08-28 |