Granted Patent
Utility
US 6,599,387 · App. 08/552,572
Method for the thermal adhesion of parts made of acrylic plastic and parts made of engineering plastics
Inventors:
Alexander Theil, Karl-Heinz Fehring, Friedel Emmerich
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Nov 3, 1995
Inventors
Alexander Theil
Karl-Heinz Fehring
Friedel Emmerich
Assignee (at issue)
ROEHM GMBH & CO. KG
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.