Granted Patent
Utility
US 6,728,453 · App. 09/891,364
Method of determining lay length of S-Z stranded buffer tubes in optical fiber cable during manufacturing
Inventor:
Michael Petryszak
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Jun 27, 2001
Inventor
Michael Petryszak
Assignee (at issue)
Pirelli Communications Cables and Systems USA, LLC
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.