Granted Patent
Utility
US 4,500,570 · App. 06/185,285
Pipeline priming method and system
Inventor:
Robert G. Goekler
Patented Case
View Patent ↗
Granted: Feb 19, 1985
Filed: Sep 8, 1980
Inventor
Robert G. Goekler
Assignee (at issue)
Crutcher Resources 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.