Granted Patent
Utility
US 4,902,857 · App. 07/290,611
Polymer interconnect structure
Inventors:
Benjamin H. Cranston, Lloyd Shepherd
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: Dec 27, 1988
Inventors
Benjamin H. Cranston
Lloyd Shepherd
Assignee (at issue)
American Telephone and Telegraph Company, 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.