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Duo Tang, Inc. Patents |
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Assignee: Duo Tang, Inc.
Address: Paw Paw, MI
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5782569 |
Molded binder assembly |
July 21, 1998 |
| Disclosed herein is a single piece molded locking snap ring assembly for use in holding looseleaf sheets together as in a two or three-ring binder. The assembly is a one-piece molded construction including an elongated longitudinal base section having upright retaining levers at each end |
| 5393156 |
Molded binder assembly |
February 28, 1995 |
| Disclosed herein is a molded locking snap ring assembly for use in holding looseleaf sheets together as in a two or three-ring binder. The assembly is preferably a one-piece molded construction including an elongated longitudinal base section having upright retaining levers at each end, |
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