Granted Patent
Utility
US 6,793,997 · App. 09/865,687
Plastic molding having two or more layers and antistatic properties
Inventor:
Guido Schmitz
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: May 29, 2001
Inventor
Guido Schmitz
Assignee (at issue)
Degussa AG
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.