IP Library Granted Patent US 4,574,669
Granted Patent Utility
US 4,574,669 · App. 06/610,482

Automatic punch

Inventors: Alfredo J. Vercillo, Roger M. Scharer
Patented Case View Patent ↗
Granted: Mar 11, 1986 Filed: May 15, 1984
Inventors
Alfredo J. Vercillo
Roger M. Scharer
Assignee (at issue)
General Binding Corporation

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Quick Facts
Patent No.
US 4,574,669
App. No.
06/610,482
Filed
1984-05-15
Granted
1986-03-11
Kind
A