Granted Patent
Utility
US 4,980,906 · App. 07/486,676
Switch-adjunct interface
Inventors:
Henry M. Forson, John R. Lothrop, Thomas M. O'Dell, Rick L. Overmyer
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Feb 27, 1990
Inventors
Henry M. Forson
John R. Lothrop
Thomas M. O'Dell
Rick L. Overmyer
Assignee (at issue)
AT&T Bell Laboratories
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.