Granted Patent
Utility
US 5,347,544 · App. 08/056,412
Gain or loss compensation circuit for telephone lines
Inventors:
Frank X. Garcia, Bruce R. Miller
Patented Case
View Patent ↗
Granted: Sep 13, 1994
Filed: May 3, 1993
Inventors
Frank X. Garcia
Bruce R. Miller
Assignee (at issue)
Teltrend, 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.