Granted Patent
Utility
US 4,467,012 · App. 06/503,414
Composition for absorbent film and method of preparation
Inventors:
Lee C. Pedersen, Lyle F. Elmquist
Patented Case
View Patent ↗
Granted: Aug 21, 1984
Filed: Jun 13, 1983
Inventors
Lee C. Pedersen
Lyle F. Elmquist
Assignee (at issue)
Grain Processing 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.