Granted Patent
Utility
US 4,436,962 · App. 06/363,422
Call coverage arrangement
Inventors:
Richard A. Davis, Susan K. Harris, Bernard R. Jones
Patented Case
View Patent ↗
Granted: Mar 13, 1984
Filed: Mar 30, 1982
Inventors
Richard A. Davis
Susan K. Harris
Bernard R. Jones
Assignee (at issue)
Bell Telephone Laboratories, 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.