Granted Patent
Utility
US 6,422,805 · App. 09/337,447
Quick coupler for bucket excavators
Inventor:
Gary Miller
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Jun 21, 1999
Inventor
Gary 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.