Granted Patent
Utility
US 4,607,243 · App. 06/653,373
Complex capacitive impedance with a voltage follower circuit
Inventor:
Benno Dreier
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Sep 21, 1984
Inventor
Benno Dreier
Assignee (at issue)
International Standard Electric Corporation
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.