Configuration for paper punch pin
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United States of America Patent
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Mar 24, 1998
Grant Date -
N/A
app pub date -
Dec 19, 1996
filing date -
Jan 25, 1995
priority date (Note) -
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Abstract
A punch for punching holes in a stack of sheets of paper having a V-shaped groove with a height based on the thickness of the stack and the forces necessary to drive the punch pin of the punch through the stack of paper.
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