Invention Grant

  • Patent Title: Rail-clamp.
  • Application No.: US16995517
    Application Date: 1917-05-21
  • Publication No.: US1263551A
    Publication Date: 1918-04-23
  • Inventor: GRAY JOHN C
  • Applicant: GRAY JOHN C
  • Assignee: John C Gray
  • Current Assignee: John C Gray
  • Priority: US16995517 1917-05-21
Rail-clamp.
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