Granted Patent
Utility
US 4,590,106 · App. 06/709,099
Heat resistant heat shrinkable films
Inventors:
Joseph C. Hsu, Donald W. Vought, George H. Walbrun
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Mar 7, 1985
Inventors
Joseph C. Hsu
Donald W. Vought
George H. Walbrun
Assignee (at issue)
American Can Company
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.