Granted Patent
Utility
US 5,089,544 · App. 07/428,548
Unsaturated polyester resin compositions containing compatible compounds
Inventors:
Louis R. Ross, Paul R. Krumlauf, Edward L. Wilson, Kuang Hsu
Patented Case
View Patent ↗
Granted: Feb 18, 1992
Filed: Oct 30, 1989
Inventors
Louis R. Ross
Paul R. Krumlauf
Edward L. Wilson
Kuang Hsu
Assignee (at issue)
Owens-Corning Fiberglas Corp.
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.