Granted Patent
Utility
US 4,195,045 · App. 05/835,918
Coupling of optic-waveguide elements
Inventor:
John F. Mead
Patented Case
View Patent ↗
Granted: Mar 25, 1980
Filed: Sep 23, 1977
Inventor
John F. Mead
Assignee (at issue)
Plessey Handel Und Investments AG
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.