Granted Patent
Utility
US 6,625,909 · App. 09/786,796
Coupler for bucket excavators
Inventors:
Doreen Jacqueline Miller, Gary Miller, Donald Miller
Patented Case
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Granted: Sep 30, 2003
Filed: Jun 22, 2001
Inventors
Doreen Jacqueline Miller
Gary Miller
Donald Miller
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.