Granted Patent
Utility
US 4,380,034 · App. 06/191,471
Track centering servo pulse noise filter
Inventor:
Guss L. Krake
Patented Case
View Patent ↗
Granted: Apr 12, 1983
Filed: Sep 26, 1980
Inventor
Guss L. Krake
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.