Granted Patent
Utility
US 4,178,303 · App. 06/006,787
(2-Cyano-3,3-diphenylacryloxy) alkylene acrylic acid esters
Inventors:
Donald H. Lorenz, Bruce A. Gruber
Patented Case
View Patent ↗
Granted: Dec 11, 1979
Filed: Jan 26, 1979
Inventors
Donald H. Lorenz
Bruce A. Gruber
Assignee (at issue)
GAF 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.