Granted Patent
Utility
US 4,364,981 · App. 06/270,099
Three layer film having a core layer of low pressure, low density polyethylene
Inventors:
Jerome T. Horner, John Anthony, William A. Fraser
Patented Case
View Patent ↗
Granted: Dec 21, 1982
Filed: Jun 3, 1981
Inventors
Jerome T. Horner
John Anthony
William A. Fraser
Assignee (at issue)
Union Carbide 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.