Granted Patent
Utility
US 6,706,175 · App. 10/279,520
Debris-capturing apparatus for pressure cleaners
Inventors:
Dieter J. Rief, Rosemarie Rief, Manuela Rief
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Oct 24, 2002
Inventors
Dieter J. Rief
Rosemarie Rief
Manuela Rief
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.