Putt, J. William.
Text: "Magnetic apparatus for producing movement." Uses paramagnetic materials. - See also by Putt: U.S. Patent no. 4,121,139. "Magnetic apparatus for producing movement." Same title but uses magnetic materials. U.S. Patent no. 4,249,115. Feb. 3, 1981.
See Also: magnetic motor, free energy devices, patents.
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