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Invention Grant
US1291346A Inner tube for pneumatic tires. 失效

  • Patent Title: Inner tube for pneumatic tires.
  • Application No.: US23434818
    Application Date: 1918-05-13
  • Publication No.: US1291346A
    Publication Date: 1919-01-14
  • Inventor: ZIMDARS JOHN B
  • Applicant: ZIMDARS JOHN B
  • Assignee: John B Zimdars
  • Current Assignee: John B Zimdars
  • Priority: US19010817 1917-09-07; US23434818 1918-05-13
Inner tube for pneumatic tires.
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