Granted Patent
Utility
US 4,852,152 · App. 07/109,857
High impedance signal detection device
Inventor:
Ronald J. Honick
Patented Case
View Patent ↗
Granted: Jul 25, 1989
Filed: Oct 19, 1987
Inventor
Ronald J. Honick
Assignee (at issue)
501 Neptune Information Systems
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.