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Kite patents filed in 1931.   Unless otherwise stated, the numbered patent is a US patent. We welcome patents from all nations and welcome volunteers to bring forward such patents.
  • 1912808  Kite by Frank M. Watson. Filed: Jan. 11, 1931.
  • 1914822  Kite by Charles F. Bryan. Filed: May 6, 1931. 
  • 1868525  Kite by Theron W. De Mott. Filed February 4, 1931.
  • 1864197  Kite by Lloyd E. Johnson. Filed May 28, 1931.
  • 1927835  Glider kite by George W. Kellogg. Filed: June 10, 1931.
  • 1904728  Kite by John Hahn. Filed October 1, 1931.
  • 1904727  Kite by John Hahn. Filed October 1, 1931.

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