Granted Patent
Utility
US 6,582,149 · App. 09/857,993
Coupling device for connecting a first workpiece to a second one
Inventor:
Winfried K. W. Holscher
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Jun 13, 2001
Inventor
Winfried K. W. Holscher
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.