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Invention Grant
US1818349A Method of manufacturing inner tubes for pneumatic tires 失效
制造充气轮胎内胎的方法

  • Patent Title: Method of manufacturing inner tubes for pneumatic tires
  • Patent Title (中): 制造充气轮胎内胎的方法
  • Application No.: US43040930
    Application Date: 1930-02-21
  • Publication No.: US1818349A
    Publication Date: 1931-08-11
  • Inventor: OTT ARTHUR W
  • Applicant: OTT ARTHUR W
  • Assignee: Arthur W Ott
  • Current Assignee: Arthur W Ott
  • Priority: US43040930 1930-02-21
  • Main IPC: B29D23/24
  • IPC: B29D23/24
Method of manufacturing inner tubes for pneumatic tires
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