Granted Patent
Utility
US 4,655,230 · App. 06/717,362
Localized liquid additive applicator system for continuous cylindrical product
Inventors:
Ronald O. Bryant, William L. Millen, Robert E. Swander
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Mar 29, 1985
Inventors
Ronald O. Bryant
William L. Millen
Robert E. Swander
Assignee (at issue)
Celanese 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.