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Inventor: Cruz; Gustavo Joel
Address: Portland, OR
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4001941 |
Graphic reproduction apparatus |
January 11, 1977 |
| A set of four channel-like clips positioned on opposite edges of a canvas have fasteners to which elastic threads are secured to form a grid over the canvas. Some of the fasteners are spaced one distance apart from each other to form a first grid portion of a small scale and others are s |
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