Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655477 | Bird feeder | Esther R. Hoffman, Dennis K. Hoffman | 1997-08-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655477 | Bird feeder | Esther R. Hoffman, Dennis K. Hoffman | 1997-08-12 |