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Invention Grant
US819998A Type-writing machine. 失效

  • Patent Title: Type-writing machine.
  • Application No.: US1904187440
    Application Date: 1904-01-02
  • Publication No.: US819998A
    Publication Date: 1906-05-08
  • Inventor: JARVIS HAROLD
  • Applicant: JARVIS HAROLD
  • Assignee: Harold Jarvis
  • Current Assignee: Harold Jarvis
  • Priority: US1904187440 1904-01-02
Type-writing machine.
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