Granted Patent
Utility
US 4,550,150 · App. 06/208,227
Coloration of acetylenic monomers by gases
Inventors:
Gordhanbhai N. Patel, Anthony F. Preziosi, Himangshu R. Bhattacharjee, Lester T. C. Lee
Patented Case
View Patent ↗
Granted: Oct 29, 1985
Filed: Nov 19, 1980
Inventors
Gordhanbhai N. Patel
Anthony F. Preziosi
Himangshu R. Bhattacharjee
Lester T. C. Lee
Assignee (at issue)
ALLIED CONSULTING, 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.