Granted Patent
Utility
US 6,643,440 · App. 10/251,462
Temperature range adjusted coated optical fibers
Inventors:
Thomas M. Lynch, Brian K. Nelson, James C. Novack, James Onstott
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Sep 20, 2002
Inventors
Thomas M. Lynch
Brian K. Nelson
James C. Novack
James Onstott
Assignee (at issue)
3M INNOVATIVE PROPERTIES COMPANY
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.