Granted Patent
Utility
US 4,818,080 · App. 07/117,174
Monolithic faraday optical switch
Inventor:
William M. Glasheen
Patented Case
View Patent ↗
Granted: Apr 4, 1989
Filed: Nov 5, 1987
Inventor
William M. Glasheen
Assignee (at issue)
General Electric 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.