Granted Patent
Utility
US 4,989,260 · App. 07/353,106
Transmitter with power reduction to compensate for varying radiated electric field strength when switching between batteries and AC power
Inventor:
James P. Meade
Patented Case
View Patent ↗
Granted: Jan 29, 1991
Filed: May 17, 1989
Inventor
James P. Meade
Assignee (at issue)
The Quaker Oats Company
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.