Granted Patent
Utility
US 4,857,590 · App. 07/059,178
Polymer blend compositions
Inventors:
Satish Kumar Gaggar, James M. Dumler, Thomas B. Cleveland
Patented Case
View Patent ↗
Granted: Aug 15, 1989
Filed: Jun 8, 1987
Inventors
Satish Kumar Gaggar
James M. Dumler
Thomas B. Cleveland
Assignee (at issue)
G E 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.