Granted Patent
Utility
US 4,968,022 · App. 07/364,282
Stacker
Inventors:
Orville C. Huggins, John D. Mistyurik
Patented Case
View Patent ↗
Granted: Nov 6, 1990
Filed: Jun 12, 1989
Inventors
Orville C. Huggins
John D. Mistyurik
Assignee (at issue)
Monarch Marking Systems, 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.