Granted Patent
Utility
US 4,747,959 · App. 07/037,439
Analytical method and apparatus for characterizing latexes
Inventors:
Susanna Ho, Valentino G. Xanthopoulo
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: Apr 13, 1987
Inventors
Susanna Ho
Valentino G. Xanthopoulo
Assignee (at issue)
Polytec GmbH
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.