Granted Patent
Utility
US 4,955,686 · App. 07/367,909
Optical fiber crossconnect switch
Inventors:
Carl F. Buhrer, W. John Carlsen, Sarah S. Cousins, Alfred H. Bellows
Patented Case
View Patent ↗
Granted: Sep 11, 1990
Filed: Jun 16, 1989
Inventors
Carl F. Buhrer
W. John Carlsen
Sarah S. Cousins
Alfred H. Bellows
Assignee (at issue)
GTE Laboratories Incorporated
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.