Granted Patent
Utility
US 4,606,267 · App. 06/670,778
Electrothermal page printer
Inventors:
Gerhard Wessel, Heinz Ebner
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Nov 13, 1984
Inventors
Gerhard Wessel
Heinz Ebner
Assignee (at issue)
International Standard Electric 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.