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Sideboard construction
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Patent number 3,966,167
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Issue date Jun 29, 1976
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Exothermic Company of Canada Limited
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Pierre A. Vayda
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B22 - CASTING POWDER METALLURGY
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3918620
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Patent number 3,918,620
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Issue date Nov 11, 1975
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B22 - CASTING POWDER METALLURGY
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3916981
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Patent number 3,916,981
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Issue date Nov 4, 1975
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B22 - CASTING POWDER METALLURGY
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3913205
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Patent number 3,913,205
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Issue date Oct 21, 1975
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B22 - CASTING POWDER METALLURGY
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3911551
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Patent number 3,911,551
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Issue date Oct 14, 1975
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B22 - CASTING POWDER METALLURGY
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3907246
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Patent number 3,907,246
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Issue date Sep 23, 1975
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B22 - CASTING POWDER METALLURGY
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3907247
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Patent number 3,907,247
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Issue date Sep 23, 1975
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B22 - CASTING POWDER METALLURGY
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3897930
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Patent number 3,897,930
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Issue date Aug 5, 1975
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B22 - CASTING POWDER METALLURGY
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3866662
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Patent number 3,866,662
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Issue date Feb 18, 1975
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B22 - CASTING POWDER METALLURGY
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3863308
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Patent number 3,863,308
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Issue date Feb 4, 1975
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B22 - CASTING POWDER METALLURGY