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1 "Cumulative" Supplement No. 4: Underwood's List of Adjudicated Patents and Disclaimers 1915

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CUMULATIVE SUPPLEMENT


             No. 4


      UNDERWOOD'S



LIST OF ADJUDICATED   PATENTS

        AND  DISCLAIMERS





            ARRANGED

BY NUMBER  AND BY SUBJECT-MATTER

      OR TITLE OF INVENTION





               BY


        LINEAS D. UNDERWOOD


CARD DIGESTS CO.,
  711 MCGILL BLDG.
WASHINGTON. D. C.