Granted Patent
Utility
US 4,397,229 · App. 06/279,671
Stacker-tyer
Inventors:
Richard J. Merwarth, Joseph P. McGinnis
Patented Case
View Patent ↗
Granted: Aug 9, 1983
Filed: Jul 1, 1981
Inventors
Richard J. Merwarth
Joseph P. McGinnis
Assignee (at issue)
HARRIS 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.