Granted Patent
Utility
US 4,155,767 · App. 05/910,902
Jet ink compositions containing tetrahydrofuran solvent
Inventors:
James D. Specht, Lee Murray
Patented Case
View Patent ↗
Granted: May 22, 1979
Filed: May 30, 1978
Inventors
James D. Specht
Lee Murray
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.