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Story County, Iowa Inventory Patents

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Results for Names Matching "MCCALLUM"

Name Patent Title Patent
Number		 City Year
R. William MCCALLUM method of making bonded or sintered permanent magnets 05240513 Ames 1993
R. William MCCALLUM material for magnetostrictive sensors and other applications based on ferrite materials 06352649 Ames 2002
R. William MCCALLUM material for magnetostrictive sensors and other applications based on ferrite materials 06093337 Ames 2000
R. William MCCALLUM carbide/nitride grain refined rare earth-iron-boron permanent magnet and method of making 05803992 Ames 1998
R. William MCCALLUM production method for making rare earth compounds 05690889 Ames 1997
R. William MCCALLUM method of making bonded or sintered permanent magnets 05470401 Ames 1995
R. William MCCALLUM method of making quasicrystal alloy powder, protective coatings and articles 05433978 Ames 1995
R. William MCCALLUM method of making quasicrystal alloy powder, protective coatings and articles 05433978 Ames 1995
R. William MCCALLUM method of making permanent magnets 05242508 Ames 1993
Ralph MCCALLUM Recovering heavy rare earth metals from magnet scrap 09725788 Ames 2017
William MCCALLUM Neodymium-iron-boron magnet with selective surface modification, and method of producing same 10586640 Ames 2020

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