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Invention Grant
US817758A Greenhouse-sash opener. 失效
温室 - SASH开放机。

  • Patent Title: Greenhouse-sash opener.
  • Patent Title (中): 温室 - SASH开放机。
  • Application No.: US1905245553
    Application Date: 1905-02-13
  • Publication No.: US817758A
    Publication Date: 1906-04-17
  • Inventor: EVANS NEWTON R
  • Applicant: JOHN A EVANS
  • Assignee: John a evans
  • Current Assignee: John a evans
  • Priority: US1905245553 1905-02-13
Greenhouse-sash opener.
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