Granted Patent
Utility
US 6,623,259 · App. 10/288,706
High pressure plunger pump housing and packing
Inventor:
George H. Blume
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Nov 6, 2002
Inventor
George H. Blume
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.