Granted Patent
Utility
US 6,742,939 · App. 10/159,375
Optical fiber fusion splice having a controlled mode field diameter expansion match
Inventors:
Craig R. Sykora, James Onstott, Mark T. Anderson, Craig R. Schardt, Lawrence J. Donalds, Alessandra Chiareli
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: May 30, 2002
Inventors
Craig R. Sykora
James Onstott
Mark T. Anderson
Craig R. Schardt
Lawrence J. Donalds
Alessandra Chiareli
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.