Granted Patent
Utility
US 5,357,567 · App. 07/930,254
Method and apparatus for volume switched gain control
Inventors:
David L. Barron, James A. Stephens, William Chunhung Yip
Patented Case
View Patent ↗
Granted: Oct 18, 1994
Filed: Aug 14, 1992
Inventors
David L. Barron
James A. Stephens
William Chunhung Yip
Assignee (at issue)
Motorola, 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.