Granted Patent
Utility
US 4,483,955 · App. 06/345,275
High gloss polyethylene terephthalate reinforced resin compositions
Inventors:
John Christiansen, Shau-Zou Lu
Patented Case
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Granted: Nov 20, 1984
Filed: Feb 3, 1982
Inventors
John Christiansen
Shau-Zou Lu
Assignee (at issue)
Celanese GmbH
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.