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Philip B. Stengel Patents |
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Inventor: Stengel; Philip B.
Address: Cambridge, MN
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5037229 |
Closure for wire loop binder |
August 6, 1991 |
| This is a closure unit for wire loop binder which includes a flexible outer retaining flange specifically constructed to increase the resistance to longitudinal movement between the closure unit and wire loop binder. The increased friction resists movement of the closure when assembled i |
| 5009537 |
Booklet binding system |
April 23, 1991 |
| This is a booklet binding system which includes an elongated closure unit specifically constructed and arranged to be removably inserted between the two rows of opposed spaced apart loops of a wire loop binding unit, wherein the closure unit defines a pair of spaced apart loop receiving |
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