Granted Patent
Utility
US 6,523,741 · App. 09/502,259
Apparatus for controlling the rental and sale of age-controlled merchandise and for controlling access to age-controlled services
Inventors:
Peter C. DiMaria, James T. Madsen, Peter Madsen
Patented Case
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Granted: Feb 25, 2003
Filed: Feb 11, 2000
Inventors
Peter C. DiMaria
James T. Madsen
Peter Madsen
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.