Granted Patent
Utility
US 6,368,016 · App. 09/352,225
Concrete finishing trowel having an electronically actuated steering assembly
Inventors:
Peter J. Smith, Hassan Karbassi
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Jul 13, 1999
Inventors
Peter J. Smith
Hassan Karbassi
Assignee (at issue)
Wacker Corporation
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.