Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682835 | Bird feeder | Mark P. Zieff, John Stone, Leon A. Gainsboro | 1997-11-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682835 | Bird feeder | Mark P. Zieff, John Stone, Leon A. Gainsboro | 1997-11-04 |