Improvements in reservoir writing implements

  • Inventors:
  • Assignees: Irving Florman
  • Publication Date: May 10, 1949
  • Publication Number: GB-622959-A

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Cited By (4)

    Publication numberPublication dateAssigneeTitle
    US-2699148-AJanuary 11, 1955DegussaBall pen point
    US-2970569-AFebruary 07, 1961Erikan Elsa HeynauWriting implements
    US-3520630-AJuly 14, 1970Coors Porcelain CoBallpoint assembly
    US-4061430-ADecember 06, 1977Montblanc-Simplo Gmbh.Socket structure for the ball of a ball point pen refill