Granted Patent
Utility
US 4,381,376 · App. 06/220,872
Preparation of low molecular weight copolymer salts
Inventors:
Paul J. Albee, Jr., Patricia E. Burdick, Joseph I. Wrozina
Patented Case
View Patent ↗
Granted: Apr 26, 1983
Filed: Dec 29, 1980
Inventors
Paul J. Albee, Jr.
Patricia E. Burdick
Joseph I. Wrozina
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.