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Ingot mold and method
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Patent number 4,747,739
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Issue date May 31, 1988
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Harold M. Bowman
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B22 - CASTING POWDER METALLURGY
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Ingot mold and method
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Patent number 4,416,440
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Issue date Nov 22, 1983
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Bowman; Harold M.
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Harold M. Bowman
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B22 - CASTING POWDER METALLURGY
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Sectional ingot mold
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Patent number 4,358,084
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Issue date Nov 9, 1982
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Harold M. Bowman
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B22 - CASTING POWDER METALLURGY
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Sectional ingot mold
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Patent number 4,269,385
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Issue date May 26, 1981
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Harold M. Bowman
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B22 - CASTING POWDER METALLURGY
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3675889
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Patent number 3,675,889
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Issue date Jul 11, 1972
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B22 - CASTING POWDER METALLURGY
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3646991
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Patent number 3,646,991
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Issue date Mar 7, 1972
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B22 - CASTING POWDER METALLURGY
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3614977
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Patent number 3,614,977
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Issue date Oct 26, 1971
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B22 - CASTING POWDER METALLURGY
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3604497
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Patent number 3,604,497
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Issue date Sep 14, 1971
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B22 - CASTING POWDER METALLURGY
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3596870
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Patent number 3,596,870
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Issue date Aug 3, 1971
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B22 - CASTING POWDER METALLURGY
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3590904
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Patent number 3,590,904
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Issue date Jul 6, 1971
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B22 - CASTING POWDER METALLURGY
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3544058
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Patent number 3,544,058
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Issue date Dec 1, 1970
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B22 - CASTING POWDER METALLURGY
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3459256
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Patent number 3,459,256
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Issue date Aug 5, 1969
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B22 - CASTING POWDER METALLURGY
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3454254
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Patent number 3,454,254
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Issue date Jul 8, 1969
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B22 - CASTING POWDER METALLURGY
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3434528
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Patent number 3,434,528
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Issue date Mar 25, 1969
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B22 - CASTING POWDER METALLURGY
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3411567
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Patent number 3,411,567
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Issue date Nov 19, 1968
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B22 - CASTING POWDER METALLURGY
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3370640
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Patent number 3,370,640
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Issue date Feb 27, 1968
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B22 - CASTING POWDER METALLURGY
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3367619
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Patent number 3,367,619
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Issue date Feb 6, 1968
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B22 - CASTING POWDER METALLURGY
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3340926
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Patent number 3,340,926
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Issue date Sep 12, 1967
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B22 - CASTING POWDER METALLURGY
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3326272
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Patent number 3,326,272
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Issue date Jun 20, 1967
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B22 - CASTING POWDER METALLURGY
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3296665
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Patent number 3,296,665
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Issue date Jan 10, 1967
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B22 - CASTING POWDER METALLURGY