Granted Patent
Utility
US 4,621,227 · App. 06/584,564
Measuring system for determining the capacitance ratio of a pair of capacitors
Inventor:
Harry J. Venema
Patented Case
View Patent ↗
Granted: Nov 4, 1986
Filed: Feb 29, 1984
Inventor
Harry J. Venema
Assignee (at issue)
BorgWarner 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.