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The ornamental design for dual-chamber bird feeder, as shown and described. |
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FIG. 1 is a perspective view of a dual-chamber bird feeder, showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
Bransky, Jeffrey D., Sanderson, Kenneth L.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 12 1992 | BRANSKY, JEFFREY D | DURACO PRODUCTS, INC A CORPORATION OF DE | ASSIGNMENT OF ASSIGNORS INTEREST | 006050 | /0532 | |
| Mar 12 1992 | SANDERSON, KENNETH L | DURACO PRODUCTS, INC A CORPORATION OF DE | ASSIGNMENT OF ASSIGNORS INTEREST | 006050 | /0532 | |
| Mar 16 1992 | Duraco Products, Inc. | (assignment on the face of the patent) | / |
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