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Expired
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John Maerz
Albert Smith
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Individual
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Individual
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Publication of GB190910262ApublicationCriticalpatent/GB190910262A/en
10,262. Mßrz, J., and Smith, A. April 30. Skates.-Spring heel brakes for roller skates are made adjustable by connecting the arm a<2> of the brake block b to the arm a' on the skate by means of a bolt and nut d.
GB190910262D1909-04-301909-04-30An Improvement in Roller Skates.
ExpiredGB190910262A
(en)