Granted Patent
Utility
US 4,134,174 · App. 05/828,631
Sewer and catch basin cleaner
Inventors:
Thomas P. Flynn, James C. Wurster
Patented Case
View Patent ↗
Granted: Jan 16, 1979
Filed: Aug 29, 1977
Inventors
Thomas P. Flynn
James C. Wurster
Assignee (at issue)
Super Products 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.