Granted Patent
Utility
US 4,412,683 · App. 06/389,329
Apparatus for supplying fluid to a rotating tube comprising end cap with purging fluid
Inventors:
Eugene A. Haney, Fred P. Partus
Patented Case
View Patent ↗
Granted: Nov 1, 1983
Filed: Jun 17, 1982
Inventors
Eugene A. Haney
Fred P. Partus
Assignee (at issue)
Western Electric Company, Inc.
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.