Granted Patent
Utility
US 5,230,666 · App. 07/980,402
Reaction injection moldable (RIM) thermoset polyimide elastomers
Inventor:
Charles M. Lewis
Patented Case
View Patent ↗
Granted: Jul 27, 1993
Filed: Nov 24, 1992
Inventor
Charles M. Lewis
Assignee (at issue)
Dayco Products, LLC
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.