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Combustible Gas Powered
Pogo Stick
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Patent No. 2,929,459
Inventor: Gordon Spitzmesser, Elwood, Indiana
Issued: March 22, 1960
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| Patent No. 2,929,459 |
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| Patent No. 2,929,459 |
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| Patent No. 2,929,459 |
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voir aussi
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Mechanical Jumping Stick
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Patent No. 2,510,509
Inventor: Richard J. Mays, Tacoma, Washington
Issued: June6,1950
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| Patent No. 2,510,509 |
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| Patent No. 2,510,509 |
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Pogo Stick
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Patent No. 2,793,036
Inventor: George. B. Hansburg, Walker Valley, N.Y.
Issued: May 21, 1957
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| Patent No. 2,793,036 |
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| Patent No. 2,793,036 |
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| Patent No. 2,793,036 |
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