Granted Patent
Utility
US 5,877,240 · App. 08/939,031
Sizing composition for glass fibers for reinforcement of engineered thermoplastic materials
Inventors:
Willy Piret, Nadia Masson
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Sep 26, 1997
Inventors
Willy Piret
Nadia Masson
Assignee (at issue)
Owens-Corning Fiberglas Technology, 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.