Granted Patent
Utility
US 5,859,946 · App. 08/885,467
Liquid-core light guide designed to withstand interior bubble formation from temperature-induced volumetric variations
Inventors:
Randolph F. Wojcik, Stanislaw Majewski, Carl Zorn
Patented Case
View Patent ↗
Granted: Jan 12, 1999
Filed: Jun 27, 1997
Inventors
Randolph F. Wojcik
Stanislaw Majewski
Carl Zorn
Assignee (at issue)
Southeastern Univ. Research Assn.
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.