Granted Patent
Utility
US 6,066,397 · App. 09/052,220
Polypropylene filler rods for optical fiber communications cables
Inventors:
Brian G. Risch, James D. Holder
Patented Case
View Patent ↗
Granted: May 23, 2000
Filed: Mar 31, 1998
Inventors
Brian G. Risch
James D. Holder
Assignee (at issue)
ALCATEL
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.