Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5746156 | Convertible bird box | Katherene J. Kirchner | 1998-05-05 |
| 4996947 | Bird feeder for goldfinches | — | 1991-03-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5746156 | Convertible bird box | Katherene J. Kirchner | 1998-05-05 |
| 4996947 | Bird feeder for goldfinches | — | 1991-03-05 |