Granted Patent
Utility
US 6,728,421 · App. 10/280,897
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Inventor:
Nils Kokemohr
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Oct 24, 2002
Inventor
Nils Kokemohr
Assignee (at issue)
NIK MULTIMEDIA, INC.
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.