Granted Patent
Utility
US 4,200,356 · App. 05/854,893
Coupler for optical communication system
Inventors:
Thaddeus Hawkes, Jean-Claude Reymond, Roger Trocellier
Patented Case
View Patent ↗
Granted: Apr 29, 1980
Filed: Nov 25, 1977
Inventors
Thaddeus Hawkes
Jean-Claude Reymond
Roger Trocellier
Assignee (at issue)
Thomson-CSF
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.