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The ornamental design for a paint brush cleaning machine, as shown and described. |
FIG. 1 is a front elevational view of a paint brush cleaning machine, showing a typical embodiment of my new design;
FIG. 2 is a left-hand side view;
FIG. 3 is a rear elevational view;
FIG. 4 is a top plan view;
FIG. 5 is an enlarged perspective view as seen from the top and front; and,
FIG. 6 is an enlarged perspective view as seen from the top and rear.
The appearance of the right-hand side is a mirror image of the left-hand side.
The bottom is flat and unornamented.
Winston, Walter E., O'Brien, deceased, Lawrence B.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jul 29 1991 | Venture Management Sciences Inc. | (assignment on the face of the patent) | / | |||
Dec 12 1991 | O BRIEN, LAWRENCE B | VENTURE MANAGEMENT SCIENCES INC A CORPORATION OF IN | ASSIGNMENT OF ASSIGNORS INTEREST | 005951 | /0160 | |
Dec 12 1991 | WINSTON, WALTER E | VENTURE MANAGEMENT SCIENCES INC A CORPORATION OF IN | ASSIGNMENT OF ASSIGNORS INTEREST | 005951 | /0162 |
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