Granted Patent
Utility
US 4,903,328 · App. 07/215,476
Automatic frequency sweeping method for controlling a frequency synthesizing type autotuner
Inventor:
Masaomi Ichikawa
Patented Case
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Granted: Feb 20, 1990
Filed: Jul 5, 1988
Inventor
Masaomi Ichikawa
Assignee (at issue)
NEC 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.