Granted Patent
Utility
US 4,288,069 · App. 06/087,228
Cam operated document stop for high speed item sorter
Inventors:
Harry L. Wallace, John D. Thomas
Patented Case
View Patent ↗
Granted: Sep 8, 1981
Filed: Nov 29, 1979
Inventors
Harry L. Wallace
John D. Thomas
Assignee (at issue)
Burroughs, 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.