Granted Patent
Utility
US 5,975,601 · App. 09/063,889
One-piece hand-held gardening tool
Inventors:
Kenneth J. Spear, Frank Czerwinski
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Apr 22, 1998
Inventors
Kenneth J. Spear
Frank Czerwinski
Assignee (at issue)
O. Ames Co.
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.