Tongue & Birkbeck

British patent agent Tongue & Birkbeck was recorded as being at Birkbeck Bank Chambers, Chancery Lane, London, W.C.

Patents for which Tongue & Birkbeck was the patent agent

• Patent GB-1905-16838 (Inventors: Franz Wondra, English title: Improvements in or relating to Flying Machines, Supplementary to patent: Patent US-1904-876125)
• Patent GB-1908-4519 (Inventors: Arthur Henry Edwards, English title: Improvements in or relating to aeroplanes or the like, or analogous machines or devices)
• Patent GB-1909-4812 (Inventors: Claude Hamilton Augustus Verity, English title: A New or Improved Flying Machine or Aeroplane)
• Patent GB-1910-12514 (Inventors: George Crosland Taylor, English title: Improvements in or relating to aeroplanes)