Granted Patent
Utility
US 4,627,002 · App. 06/704,042
Method and apparatus for recording characters
Inventors:
Dietrich Blum, Joerg Broening
Patented Case
View Patent ↗
Granted: Dec 2, 1986
Filed: Feb 21, 1985
Inventors
Dietrich Blum
Joerg Broening
Assignee (at issue)
Dr. Ing. Rudolf Hell GmbH
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.