Patent US 4650277A

Patent number	US 4650277A (click link for details and documents via Google Patents)
Title	Rotatable optical imaging device for aligning and switching between optical fibers
Inventors	Frederick K. Husher, Wesley C. Mickanin, Mike G. Brashler
Company	Tektronix Inc
Filing date	1984-04-20
Grant date	1987-03-17