Granted Patent
Utility
US 4,620,860 · App. 06/758,177
Process for making glass fiber products and product produced
Inventor:
Kenneth D. Werbowy
Patented Case
View Patent ↗
Granted: Nov 4, 1986
Filed: Jul 23, 1985
Inventor
Kenneth D. Werbowy
Assignee (at issue)
Manville Corporation
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.