Granted Patent
Utility
US 4,252,278 · App. 06/038,346
Fire hose nozzle
Inventor:
Clyde H. McMillan
Patented Case
View Patent ↗
Granted: Feb 24, 1981
Filed: May 11, 1979
Inventor
Clyde H. McMillan
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.