Granted Patent
Utility
US 6,618,704 · App. 09/727,878
System and method of teleconferencing with the deaf or hearing-impaired
Inventors:
Dimitri Kanevsky, Sara H. Basson, Edward A. Epstein, Peter G. Fairweather
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: Dec 1, 2000
Inventors
Dimitri Kanevsky
Sara H. Basson
Edward A. Epstein
Peter G. Fairweather
Assignee (at issue)
IBM Corporation
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.