Herbert Wilfred Holt

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Herbert Wilfred Holt was an aero inventor, with occupation -- and location --.


Patents whose inventor or applicant is Herbert Wilfred Holt

  • Patent GB-1909-5699 (English title: Improvements in and relating to Aeroplanes, Filing date: 1909-03-09)
  • Patent GB-1909-24315 (English title: Improvements in aerial machines, Filing date: 1909-10-22)

References

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