Invention Grant
US1820857A Filler strip for drop center wheel rims 失效
用于落球中心轮缘的填料条

  • Patent Title: Filler strip for drop center wheel rims
  • Patent Title (中): 用于落球中心轮缘的填料条
  • Application No.: US38626229
    Application Date: 1929-08-16
  • Publication No.: US1820857A
    Publication Date: 1931-08-25
  • Inventor: WILSON JOHN L
  • Applicant: WILSON JOHN L
  • Assignee: John L Wilson
  • Current Assignee: John L Wilson
  • Priority: US38626229 1929-08-16
  • Main IPC: B60B21/12
  • IPC: B60B21/12
Filler strip for drop center wheel rims
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