Granted Patent
Utility
US 4,923,924 · App. 07/171,801
Thermoplastic impact modified polyamide-polyphenylene ether composition
Inventors:
Thomas S. Grant, Ronald L. Jalbert, David Whalen, Brenda A. Bartges, Tracey Thompson
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Mar 22, 1988
Inventors
Thomas S. Grant
Ronald L. Jalbert
David Whalen
Brenda A. Bartges
Tracey Thompson
Assignee (at issue)
Borg-Warner 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.