Granted Patent
Utility
US 5,362,819 · App. 07/828,080
Polyester-flexible polymer block copolymers and mixtures thereof
Inventors:
Douglas S. McBain, Andrew L. Ratermann, I. Glen Hargis, Earl G. Melby, Kevin P. LaJudice
Patented Case
View Patent ↗
Granted: Nov 8, 1994
Filed: Jan 30, 1992
Inventors
Douglas S. McBain
Andrew L. Ratermann
I. Glen Hargis
Earl G. Melby
Kevin P. LaJudice
Assignee (at issue)
GenCorp, 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.