Invention Grant
US1291964A Apparatus for controlling light effects. 失效
用于控制光效的装置。

  • Patent Title: Apparatus for controlling light effects.
  • Patent Title (中): 用于控制光效的装置。
  • Application No.: US16163817
    Application Date: 1917-04-12
  • Publication No.: US1291964A
    Publication Date: 1919-01-21
  • Inventor: MCCORMICK LANGDON
  • Applicant: MCCORMICK LANGDON
  • Assignee: Langdon Mccormick
  • Current Assignee: Langdon Mccormick
  • Priority: US16163817 1917-04-12
Apparatus for controlling light effects.
Public/Granted literature
Information query
Patent Agency Ranking
0/0