Granted Patent
Utility
US 4,595,486 · App. 06/697,595
Electrochemical gas sensor
Inventors:
John Schmidt, Donald N. Campbell, Sandra B. Clay
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: Feb 1, 1985
Inventors
John Schmidt
Donald N. Campbell
Sandra B. Clay
Assignee (at issue)
ALLIED CONSULTING, 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.