Granted Patent
Utility
US 5,672,640 · App. 08/500,650
Polypropylene compatible grease compositions for optical fiber cable
Inventor:
Melvin Brauer
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: Jul 12, 1995
Inventor
Melvin Brauer
Assignee (at issue)
CasChem, 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.