Granted Patent
Utility
US 4,358,724 · App. 06/213,748
Solid state servo amplifier for a D.C. motor position control system
Inventor:
Lambert Haner
Patented Case
View Patent ↗
Granted: Nov 9, 1982
Filed: Dec 8, 1980
Inventor
Lambert Haner
Assignee (at issue)
Commercial Shearing, 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.