Granted Patent
Utility
US 6,257,346 · App. 09/393,958
Stand-up weeder
Inventors:
Robert T. Schofield, Paul Schneider
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: Sep 10, 1999
Inventors
Robert T. Schofield
Paul Schneider
Assignee (at issue)
Ambertag, Inc.
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.