Granted Patent
Utility
US 6,032,566 · App. 09/122,184
Lever operated punch with strengthened flap and punch head adjustment arrangement
Inventors:
Alfred J. Evans, Balaji Kandasamy
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Jul 24, 1998
Inventors
Alfred J. Evans
Balaji Kandasamy
Assignee (at issue)
ACCO BRANDS CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.