Granted Patent
Utility
US 6,826,324 · App. 09/835,106
Optical waveguide switch
Inventors:
Dan Steinberg, David W. Sherrer
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Apr 13, 2001
Inventors
Dan Steinberg
David W. Sherrer
Assignee (at issue)
Shipley Company, L.L.C.
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.