Granted Patent
Utility
US 5,615,131 · App. 08/667,444
System for providing closed captioning to an electronic discussion group
Inventors:
Owen J. Mortensen, Jeffery S. Dalton, Jeffrey S. Miller, Douglas P. Chinnock
Patented Case
View Patent ↗
Granted: Mar 25, 1997
Filed: Jun 21, 1996
Inventors
Owen J. Mortensen
Jeffery S. Dalton
Jeffrey S. Miller
Douglas P. Chinnock
Assignee (at issue)
CompuServe Incorporated
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.