Granted Patent
Utility
US 4,960,549 · App. 07/197,208
Process for preparing polyamide-imide foam
Inventors:
Gary T. Brooks, Brian Connolly, Robert E. Riley
Patented Case
View Patent ↗
Granted: Oct 2, 1990
Filed: May 23, 1988
Inventors
Gary T. Brooks
Brian Connolly
Robert E. Riley
Assignee (at issue)
Amoco Corporation
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.