Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6321686 | Multi-purpose, species-discriminating bird feeder for controlling ingress and egress of birds into interior of bird feeder | Aelred D. Geis, Dan A. Bloedorn | 2001-11-27 |