Invention Grant
US1164804A Bead-placing ring. 失效
BEAD-PLACING RING。

  • Patent Title: Bead-placing ring.
  • Patent Title (中): BEAD-PLACING RING。
  • Application No.: US1911606090
    Application Date: 1911-02-02
  • Publication No.: US1164804A
    Publication Date: 1915-12-21
  • Inventor: GAMMETER JOHN R
  • Applicant: GOODRICH CO B F
  • Assignee: Goodrich Co B F
  • Current Assignee: Goodrich Co B F
  • Priority: US1909531045 1909-12-02; US1911606090 1911-02-02
Bead-placing ring.
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