|Design 331 083||November 1992||Gunderson
|Radio Transmitter Control for Model Airplanes|
|4 651 688||March 24, 1987||Selzer
|Model Airplane Engine Starter and Drive Train|
|4 440 122||April 3, 1984||Theobald||Model Airplane Engine Starter|
|4 067 139||January 10, 1978||Pinkerton
|Electric powered Flying Model Airplane [more...]|
|3 955 310||May 11, 1976||Renger||Automatic Control Device for Tethered Model Airplane|
|3 132 716||May 12, 1964||Cole||Muffler|
|2 927 660||March 8, 1960||de Groat||Self Starter for Model Engines|
|2 751 898||June 26, 1956||de Groat||Model Engine Starter|
|2 292 416||August 11, 1942||Walker||Controlled Captive Type Toy Airplane|
All these patents and designs were assigned to the company in one of its incarnations except the last patent by Nevilles E. (Jim) Walker. This last patent was the reason for court action against LeRoy Cox, which finally led to the defeat of the Walker patent. This does not diminish the fantastic contributions to the model aircraft hobby by Jim Walker,
|Design 245 635||August 30, 1977||
First I must say, that the following is not my Aprils
fool joke. This invention seems to have no direct connection to the Cox
company, but the engine shown on the drawings closely resemble a "Pee Wee".
Last modification of this page: 21.05.18
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