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Martin J. Hilbrands
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Grand Rapids, MI, US
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last 30 patents
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Patent Grant
Apparatus for stabilizing a work piece of ring configuration
Patent number
5,408,737
Issue date
Apr 25, 1995
Solar Turbines Incorporated
Desmond Mailey
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Patent Grant
Seal belt assembly for compartments in which blasting, spraying and...
Patent number
5,067,285
Issue date
Nov 26, 1991
Progressive Blasting Systems, Inc.
Martin J. Hilbrands
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR