Granted Patent
Utility
US 4,662,965 · App. 06/810,463
Adhering heat sensitive labels to containers with hot melt adhesives
Inventors:
Frank J. DiFrank, Ralph J. Locke, Thomas D. Syperski
Patented Case
View Patent ↗
Granted: May 5, 1987
Filed: Dec 18, 1985
Inventors
Frank J. DiFrank
Ralph J. Locke
Thomas D. Syperski
Assignee (at issue)
Owens-Illinois 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.