Granted Patent
Utility
US 6,447,898 · App. 09/440,337
Electrically conductive, thermoplastic, heat-activatable adhesive sheet
Inventor:
Ronald Pfaff
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Nov 15, 1999
Inventor
Ronald Pfaff
Assignee (at issue)
tesa 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.