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Invention Grant
US2457698A Suspender window support for washing windows 失效
吊窗支持洗窗

  • Patent Title: Suspender window support for washing windows
  • Patent Title (中): 吊窗支持洗窗
  • Application No.: US67074546
    Application Date: 1946-05-18
  • Publication No.: US2457698A
    Publication Date: 1948-12-28
  • Inventor: CARL MARIASH
  • Applicant: CARL MARIASH
  • Assignee: Mariash Carl
  • Current Assignee: Mariash Carl
  • Priority: US67074546 1946-05-18
  • Main IPC: A47L3/02
  • IPC: A47L3/02
Suspender window support for washing windows
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