Granted Patent
Utility
US 4,178,240 · App. 05/686,856
Fluid handling system
Inventor:
Harry Pinkerton
Patented Case
View Patent ↗
Granted: Dec 11, 1979
Filed: May 17, 1976
Inventor
Harry Pinkerton
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.