Granted Patent
Utility
US 5,142,248 · App. 07/792,420
Plural selectable RF oscillators for supplying capacitive loads
Inventors:
Sotos M. Theodoulou, William Keith Baker
Patented Case
View Patent ↗
Granted: Aug 25, 1992
Filed: Nov 15, 1991
Inventors
Sotos M. Theodoulou
William Keith Baker
Assignee (at issue)
Delphax Systems
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.