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Invention Grant
US818767A Telephonic device. 失效
电话设备

  • Patent Title: Telephonic device.
  • Patent Title (中): 电话设备
  • Application No.: US1903161619
    Application Date: 1903-06-15
  • Publication No.: US818767A
    Publication Date: 1906-04-24
  • Inventor: KITSEE ISIDOR
  • Applicant: KITSEE ISIDOR
  • Assignee: Isidor Kitsee
  • Current Assignee: Isidor Kitsee
  • Priority: US1903161619 1903-06-15
Telephonic device.
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