Granted Patent
Utility
US 4,909,583 · App. 07/293,736
Method and apparatus for preserving modes in fiber optic connections requiring angular translation
Inventors:
John M. Williams, Robert H. Buckley
Patented Case
View Patent ↗
Granted: Mar 20, 1990
Filed: Jan 5, 1989
Inventors
John M. Williams
Robert H. Buckley
Assignee (at issue)
Hughes Aircraft 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.