Granted Patent
Utility
US 5,106,123 · App. 07/637,715
Roll of record members
Inventor:
Roung-Min David Shieh
Patented Case
View Patent ↗
Granted: Apr 21, 1992
Filed: Jan 7, 1991
Inventor
Roung-Min David Shieh
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.