Granted Patent
Utility
US 4,386,864 · App. 06/204,020
Selective paper insertion and feeding means for individual sheet printing apparatus
Inventors:
An Wang, Gerald J. Crean
Patented Case
View Patent ↗
Granted: Jun 7, 1983
Filed: Nov 4, 1980
Inventors
An Wang
Gerald J. Crean
Assignee (at issue)
Wang Laboratories, 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.