Granted Patent
Utility
US 5,729,897 · App. 08/397,106
Method of manufacturing multilayer foil printed circuit boards
Inventors:
Walter Schmidt, Marco Martinelli
Patented Case
View Patent ↗
Granted: Mar 24, 1998
Filed: Mar 6, 1995
Inventors
Walter Schmidt
Marco Martinelli
Assignee (at issue)
Dyconex Patente AG
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.