Granted Patent
Utility
US 4,268,383 · App. 06/023,679
Flow system control with time delay override means
Inventor:
Arnold G. Trobaugh
Patented Case
View Patent ↗
Granted: May 19, 1981
Filed: Mar 26, 1979
Inventor
Arnold G. Trobaugh
Assignee (at issue)
Johnson Controls, 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.