Granted Patent
Utility
US 5,685,487 · App. 08/516,207
Compact high pressure forward jetting spinning nozzle for cleaning
Inventor:
Fife B. Ellis
Patented Case
View Patent ↗
Granted: Nov 11, 1997
Filed: Aug 17, 1995
Inventor
Fife B. Ellis
Assignee (at issue)
J. Edward Stachowiak
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.