Granted Patent
Utility
US 4,328,844 · App. 06/125,003
Pressure fueling adapter
Inventors:
Robert L. Becktel, Robert Greenwell, Basil B. Tilling
Patented Case
View Patent ↗
Granted: May 11, 1982
Filed: Feb 27, 1980
Inventors
Robert L. Becktel
Robert Greenwell
Basil B. Tilling
Assignee (at issue)
Parker-Hannifin 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.