Granted Patent
Utility
US 4,450,081 · App. 06/284,078
Transmission fluid filter and method of manufacture
Inventors:
David L. Anderson, Robert Hitchcock, Robert M. Tamburrino
Patented Case
View Patent ↗
Granted: May 22, 1984
Filed: Jul 16, 1981
Inventors
David L. Anderson
Robert Hitchcock
Robert M. Tamburrino
Assignee (at issue)
Sealed Power Corporation
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.