Magnetic propulsion device
US Pat. 4074153 - Filed Aug 26, 1975
[ii] 4074153 [45] Feb., [54] [76] [21] [22] [62] ... Permanent magnet motor
US Pat. 6867514 - Filed Sep 7, 2004
... A 4074153 A ... Amplifying mechanical energy with magnetomotive force
US Pat. 6084322 - Filed Apr 19, 1999
... 4074153 ... Permanent magnet propulsion system
US Pat. 4215330 - Filed Dec 20, 1977 - Ethel Hartman, Charles Helin, Estate of
... 4074153 8/ 2/ Parke 310/ X Baker 310/ OTHER PUBLICATIONS Magnets, Underbill,
p. 2, McGraw-Hill,. Angrist, "Perpetual Motion Machines," Scientific ... Rotary magnet device
US Pat. 4443776 - Filed Aug 10, 1983
... 5/ Meckling 310/ 4074153 2/ Baker et al. ... Magnetic force generating method and apparatus
US Pat. 4877983 - Filed Nov 19, 1985
310/ [58] Field of Search 310/,, 46 [56] References Cited US PATENT DOCUMENTS
4074153 2/ Baker et al. ... Apparatus, systems and methods for levitating and moving objects
US Pat. 7204192 - Filed Apr 22, 2003 - Magna Force, Inc.
... A 4074153 A ... Magnetic impulse reaction driven toys
US Pat. 6361393 - Filed Oct 9, 1998 - Elenco Electronics, Inc.
... A * 6/ MacMurdo 446/ X 4074153 A 2/ Baker et al 310/ ... Apparatus for commutation of a helical coil launcher
US Pat. 6696775 - Filed Jan 22, 2002 - The Curators of the University of Missouri
... A 4074153 A ... Apparatus and process for generating energy
US Pat. 6954019 - Filed Nov 6, 2002 - M International, LLC
... A 8/ 4074153 A 2/ ...  Stay up to date on these results using the patents RSS feed on 4074153.
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