Granted Patent
Utility
US 5,708,462 · App. 08/348,604
Microprocessor controlled thermal printer
Inventors:
James E. Helmbold, Donald A. Morrison, Rex D. Watkins, Richard D. Wirrig
Patented Case
View Patent ↗
Granted: Jan 13, 1998
Filed: Dec 2, 1994
Inventors
James E. Helmbold
Donald A. Morrison
Rex D. Watkins
Richard D. Wirrig
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.