Granted Patent
Utility
US 4,207,577 · App. 05/941,759
Opaque jet inks
Inventor:
Ishwar R. Mansukhani
Patented Case
View Patent ↗
Granted: Jun 10, 1980
Filed: Sep 13, 1978
Inventor
Ishwar R. Mansukhani
Assignee (at issue)
Whittaker Corporation
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.