Granted Patent
Utility
US 4,245,650 · App. 06/012,350
Electromedical device for the acceptance and processing of electric physiological signals
Inventors:
Manfred Welker, Herbert Wolf
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: Feb 15, 1979
Inventors
Manfred Welker
Herbert Wolf
Assignee (at issue)
Siemens Aktiengesellschaft
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.