Granted Patent
Utility
US 6,188,720 · App. 08/437,409
Modulation and signaling converter
Inventors:
John Batzer, John Bertrand, Charles Francis Haight
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: May 12, 1995
Inventors
John Batzer
John Bertrand
Charles Francis Haight
Assignee (at issue)
ITT MANUFACTURING ENTERPRISES LLC
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.