Granted Patent
Utility
US 5,078,466 · App. 07/688,194
Fiber optic rotary joint
Inventor:
David B. MacCulloch
Patented Case
View Patent ↗
Granted: Jan 7, 1992
Filed: Apr 19, 1991
Inventor
David B. MacCulloch
Assignee (at issue)
AlliedSignal, Inc.
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.