Granted Patent
Utility
US 4,352,447 · App. 06/169,548
Method of and apparatus for sideward displacement of sheets
Inventors:
Robert M. Bonaddio, John R. Dahlberg
Patented Case
View Patent ↗
Granted: Oct 5, 1982
Filed: Jul 17, 1980
Inventors
Robert M. Bonaddio
John R. Dahlberg
Assignee (at issue)
PPG Industries, Inc.
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.