Granted Patent
Utility
US 5,779,005 · App. 08/807,311
Constant flow cascade lubrication system
Inventors:
William B. Jones, Mark Hall, Vahe Hayrapetian, Khajak Jack Minassian
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Feb 27, 1997
Inventors
William B. Jones
Mark Hall
Vahe Hayrapetian
Khajak Jack Minassian
Assignee (at issue)
Ingersoll-Dresser Pump Company
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.