Granted Patent
Utility
US 4,908,273 · App. 07/167,764
Multi-layer, heat-curable adhesive film
Inventors:
Karl Urech, Roland Moser
Patented Case
View Patent ↗
Granted: Mar 13, 1990
Filed: Mar 14, 1988
Inventors
Karl Urech
Roland Moser
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.