Granted Patent
Utility
US 4,390,398 · App. 06/148,833
Modified process for resin manufacturing using a continuous separate distillation column
Inventors:
Robert J. Coker, Gary W. Bate, Henk J. Deuzeman
Patented Case
View Patent ↗
Granted: Jun 28, 1983
Filed: May 12, 1980
Inventors
Robert J. Coker
Gary W. Bate
Henk J. Deuzeman
Assignee (at issue)
Fiberglas Canada 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.