Granted Patent
Utility
US 5,925,928 · App. 08/828,697
Data carrier card, assembly of at least two data carrier cards and method of accessing at least one of the data carrier cards
Inventors:
Karlheinz Hafner, Sonke Mehrgardt
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: Mar 31, 1997
Inventors
Karlheinz Hafner
Sonke Mehrgardt
Assignee (at issue)
Siemens Aktiengesellschaft
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.