Granted Patent
Utility
US 5,874,980 · App. 08/791,448
Thermal demand printer
Inventor:
David A. West
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Jan 27, 1997
Inventor
David A. West
Assignee (at issue)
ZEBRA TECHNOLOGIES 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.