Granted Patent
Utility
US 4,499,149 · App. 06/466,762
Siloxane-containing polymers
Inventor:
Abe Berger
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Feb 15, 1983
Inventor
Abe Berger
Assignee (at issue)
M&T Chemicals, 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.