Granted Patent
Utility
US 5,042,980 · App. 07/358,443
Optical fiber diffusion tip for uniform illumination
Inventors:
Glenn S. Baker, Edward L. Sinofsky
Patented Case
View Patent ↗
Granted: Aug 27, 1991
Filed: May 26, 1989
Inventors
Glenn S. Baker
Edward L. Sinofsky
Assignee (at issue)
C. R. Bard, 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.