Granted Patent
Utility
US 6,587,628 · App. 09/721,397
Optical fiber with improved strength in high humidity/high temperature environments
Inventor:
Christopher B. Walker, Jr.
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Nov 22, 2000
Inventor
Christopher B. Walker, Jr.
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.