Granted Patent
Utility
US 4,560,940 · App. 06/503,118
Peak amplitude measurement
Inventor:
Albert van der Schans
Patented Case
View Patent ↗
Granted: Dec 24, 1985
Filed: Jun 10, 1983
Inventor
Albert van der Schans
Assignee (at issue)
Magnetic Peripherals, 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.