Granted Patent
Utility
US 5,848,752 · App. 08/960,087
Foam aeration nozzle
Inventors:
David J. Kolacz, Robert W. Steingass
Patented Case
View Patent ↗
Granted: Dec 15, 1998
Filed: Oct 24, 1997
Inventors
David J. Kolacz
Robert W. Steingass
Assignee (at issue)
Task Force Tips LLC
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.