Granted Patent
Utility
US 5,064,893 · App. 07/490,410
Flexible label film from polyethylene and calcium carbonate-polymer mixture
Inventor:
Martin F. Hoenigmann
Patented Case
View Patent ↗
Granted: Nov 12, 1991
Filed: Mar 8, 1990
Inventor
Martin F. Hoenigmann
Assignee (at issue)
Rexene 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.