Granted Patent
Utility
US 4,921,316 · App. 07/319,612
Integral fiber optic printhead
Inventors:
Stephen D. Fantone, Bennett H. Rockney, Robert Burger, Lee Melbourne Cook
Patented Case
View Patent ↗
Granted: May 1, 1990
Filed: Mar 6, 1989
Inventors
Stephen D. Fantone
Bennett H. Rockney
Robert Burger
Lee Melbourne Cook
Assignees (at issue)
Polaroid Corporation
Galileo Electro-Optics Corporation
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.