Granted Patent
Utility
US 6,049,461 · App. 08/686,026
Circuit unit and a method for producing a circuit unit
Inventors:
Yahya Haghiri-Tehrani, Ando Welling
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: Jul 25, 1996
Inventors
Yahya Haghiri-Tehrani
Ando Welling
Assignee (at issue)
GIESECKE & DEVRIENT 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.