Granted Patent
Utility
US 4,897,442 · App. 07/217,201
Anti-wick agent for textile printing
Inventors:
Lawrence E. Ball, Robert O. Rau, Philip Russell James Smith
Patented Case
View Patent ↗
Granted: Jan 30, 1990
Filed: Jul 11, 1988
Inventors
Lawrence E. Ball
Robert O. Rau
Philip Russell James Smith
Assignee (at issue)
The Standard Oil 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.