Granted Patent
Utility
US 4,213,180 · App. 05/918,297
Closed loop sensor condition detector
Inventors:
Roman O. Marchak, Douglas R. Verner
Patented Case
View Patent ↗
Granted: Jul 15, 1980
Filed: Jun 22, 1978
Inventors
Roman O. Marchak
Douglas R. Verner
Assignee (at issue)
Bendix Limited
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.