Granted Patent
Utility
US 4,689,270 · App. 06/755,483
Composite substrate for printed circuits and printed circuit-substrate combination
Inventors:
Karl Deckelmann, Jurgen Hornung, Graham Jones, Roland Kersting, Quentin Reynolds, Ino Taitl
Patented Case
View Patent ↗
Granted: Aug 25, 1987
Filed: Jul 16, 1985
Inventors
Karl Deckelmann
Jurgen Hornung
Graham Jones
Roland Kersting
Quentin Reynolds
Ino Taitl
Assignee (at issue)
W. C. Heraeus 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.