Granted Patent
Utility
US 4,290,933 · App. 06/139,116
Adhesive composition for making form sets from carbonless copy paper sheets
Inventor:
William Joshua Becker
Patented Case
View Patent ↗
Granted: Sep 22, 1981
Filed: Apr 10, 1980
Inventor
William Joshua Becker
Assignee (at issue)
Appleton Papers 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.