Granted Patent
Utility
US 4,834,972 · App. 07/039,893
Gels of telomer-copolymers of ethylene and a silane
Inventor:
Irving B. Chang
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Apr 20, 1987
Inventor
Irving B. Chang
Assignee (at issue)
AlliedSignal, 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.