Granted Patent
Utility
US 6,431,785 · App. 09/587,731
Direct pin quick coupler
Inventor:
Michael Melander
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Jun 5, 2000
Inventor
Michael Melander
Assignee (at issue)
WEC Company
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.