Paper hole drill

Details Paper hole drill Paper hole drill

1987-03-27

1989-11-07

Herrmann, Winifred E.

Machines not elsewhere specified

Material working, abrading, or founding machinery

Cutting

D15128, D19 72

Patent

active

D03044564

REFERENCES:
patent: D101889 (1936-11-01), Rix
patent: D182387 (1958-03-01), Seeger
patent: 2364011 (1944-11-01), Wales
patent: 3452628 (1969-07-01), Pfaffle
patent: 4221139 (1980-09-01), Peterson
Office Products Dealer; 1/1982; p. 90, first column, third panel down; Michael High Volume Production Paper Drill; MBM Corp. Advertisement; N.Y., N.Y.

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