Granted Patent
Utility
US 4,290,072 · App. 06/115,916
Opaque jet ink printing method and composition
Inventor:
Ishwar R. Mansukhani
Patented Case
View Patent ↗
Granted: Sep 15, 1981
Filed: Jan 28, 1980
Inventor
Ishwar R. Mansukhani
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.