Granted Patent
Utility
US 5,966,438 · App. 08/611,121
Method and apparatus for adaptive volume control for a radiotelephone
Inventor:
Eric Douglas Romesburg
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Mar 5, 1996
Inventor
Eric Douglas Romesburg
Assignee (at issue)
ERICSSON GMBH
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.