Granted Patent
Utility
US 5,545,018 · App. 08/427,774
Variable displacement vane pump having floating ring seal
Inventor:
Jack G. Sundberg
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Apr 25, 1995
Inventor
Jack G. Sundberg
Assignee (at issue)
COLTEC INDUSTRIES, 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.