Granted Patent
Utility
US 6,253,690 · App. 09/477,513
Tree excavator and transplanter
Inventor:
Thomas Cox
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Jan 4, 2000
Inventor
Thomas Cox
Assignee (at issue)
ENVIRONMENTAL TREE & DESIGN, 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.