Granted Patent
Utility
US 4,902,590 · App. 07/141,357
Polyacrylic adhesive
Inventor:
David V. Adamson
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: Nov 19, 1987
Inventor
David V. Adamson
Assignee (at issue)
Duracell 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.