Granted Patent
Utility
US 4,820,446 · App. 07/117,717
Electrically conductive, potentially adhesive composition
Inventor:
Christian Prud'Homme
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Nov 6, 1987
Inventor
Christian Prud'Homme
Assignee (at issue)
Ciba-Geigy
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.