Granted Patent
Utility
US 5,086,987 · App. 07/342,279
Method of making rolls of record members
Inventor:
Roung-Min David Shieh
Patented Case
View Patent ↗
Granted: Feb 11, 1992
Filed: Apr 24, 1989
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.