Granted Patent
Utility
US 6,074,740 · App. 08/787,903
Metallizing thermoplastics
Inventors:
Helmut Scheckenbach, Georg Frank
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Jan 23, 1997
Inventors
Helmut Scheckenbach
Georg Frank
Assignee (at issue)
Hoechst GmbH
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.