Granted Patent
Utility
US 6,486,640 · App. 09/790,224
Control system for variable frequency generator
Inventor:
Christopher Adams
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Feb 21, 2001
Inventor
Christopher Adams
Assignee (at issue)
Lucas Industries Limited
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.