Granted Patent
Utility
US 6,316,756 · App. 09/495,159
Resonant frequency tracking system and method for use in a radio frequency (RF) power supply
Inventors:
Leslie L. Thompson, Gary Schwenck, Daniel J. Lincoln
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Jan 31, 2000
Inventors
Leslie L. Thompson
Gary Schwenck
Daniel J. Lincoln
Assignee (at issue)
Ameritherm, 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.