Granted Patent
Utility
US 4,858,169 · App. 07/078,984
Electronic integrator using an operational amplifier and with alleviation of wind-up
Inventor:
Lary L. Fields
Patented Case
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Granted: Aug 15, 1989
Filed: Jul 29, 1987
Inventor
Lary L. Fields
Assignee (at issue)
Barber-Coleman Company
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.