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Professional Product Research, Inc.

No. 75246916 (T.T.A.B. Aug. 12, 1999)
Professional Product Research, Inc.

1 Cited authority

  1. In re E. I. DuPont DeNemours & Co.

    476 F.2d 1357 (C.C.P.A. 1973)   Cited 190 times   32 Legal Analyses
    Reciting thirteen factors to be considered, referred to as "DuPont factors"