Magnetic force generating method and apparatus
US Pat. 4877983 - Filed Nov 19, 1985
United States Patent [ Johnson [ii] Patent Numbers [45] Date of Patent: 4,S77?
983 Octo 31, [54] MAGNETIC FORCE GENERATING METHOD AND APPARATUS [76] ... Magnetic propulsion system
US Pat. 5402021 - Filed May 24, 1993
No. than that of the generally rectangular magnet and a 4877983), the armature
magnet is mounted on a vehicle wedge ... Amplifying mechanical energy with magnetomotive force
US Pat. 6084322 - Filed Apr 19, 1999
... 4877983 ... Permanent magnet motor
US Pat. 6867514 - Filed Sep 7, 2004
... 310/86 4877983 A * 10/1989 Johnson 310/12 ... Voice coil actuator
US Pat. 5536984 - Filed Jun 7, 1995 - Aura Systems, Inc.
... 2/ Godkin et al 335/222 4877983/ Johnson 310/ ... Apparatus, systems and methods for levitating and moving objects
US Pat. 7204192 - Filed Apr 22, 2003 - Magna Force, Inc.
4877983 A 10/1989 ... Control device using magnetic force to create force vector to control an object
US Pat. 6396180 - Filed Jun 7, 2001
310/46 335/272 4877983 A ... [APPLICATION] Permanent magnetic motor
US Pat. 11222192 - Filed Sep 8, 2005
4877983 to Howard Johnson, disclosing a permanent magnet armature, magnetically
propelled along a guided path by interaction with the field within a flux ...  Stay up to date on these results using the patents RSS feed on 4877983.
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