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3841857
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Patent number 3,841,857
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Issue date Oct 15, 1974
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C03 - GLASS MINERAL OR SLAG WOOL
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3829352
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Patent number 3,829,352
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Issue date Aug 13, 1974
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C03 - GLASS MINERAL OR SLAG WOOL
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3811852
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Patent number 3,811,852
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Issue date May 21, 1974
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C03 - GLASS MINERAL OR SLAG WOOL
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3759754
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Patent number 3,759,754
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Issue date Sep 18, 1973
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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3681187
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Patent number 3,681,187
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Issue date Aug 1, 1972
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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3505052
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Patent number 3,505,052
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Issue date Apr 7, 1970
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C03 - GLASS MINERAL OR SLAG WOOL
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3459524
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Patent number 3,459,524
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Issue date Aug 5, 1969
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C03 - GLASS MINERAL OR SLAG WOOL
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3457058
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Patent number 3,457,058
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Issue date Jul 22, 1969
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C03 - GLASS MINERAL OR SLAG WOOL
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3421968
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Patent number 3,421,968
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Issue date Jan 14, 1969
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C03 - GLASS MINERAL OR SLAG WOOL
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3346359
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Patent number 3,346,359
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Issue date Oct 10, 1967
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C03 - GLASS MINERAL OR SLAG WOOL
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3305333
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Patent number 3,305,333
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Issue date Feb 21, 1967
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C03 - GLASS MINERAL OR SLAG WOOL
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3305335
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Patent number 3,305,335
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Issue date Feb 21, 1967
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C03 - GLASS MINERAL OR SLAG WOOL
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3216810
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Patent number 3,216,810
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Issue date Nov 9, 1965
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C03 - GLASS MINERAL OR SLAG WOOL
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3207591
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Patent number 3,207,591
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Issue date Sep 21, 1965
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3088298
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Patent number 3,088,298
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Issue date May 7, 1963
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C03 - GLASS MINERAL OR SLAG WOOL
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3053685
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Patent number 3,053,685
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Issue date Sep 11, 1962
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C01 - INORGANIC CHEMISTRY
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3053686
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Patent number 3,053,686
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Issue date Sep 11, 1962
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2951315
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Patent number 2,951,315
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Issue date Sep 6, 1960
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C03 - GLASS MINERAL OR SLAG WOOL
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2873556
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Patent number 2,873,556
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C03 - GLASS MINERAL OR SLAG WOOL
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2598412
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Patent number 2,598,412
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C03 - GLASS MINERAL OR SLAG WOOL
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2368410
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Patent number 2,368,410
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Issue date Jan 30, 1945
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C03 - GLASS MINERAL OR SLAG WOOL
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2337757
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Patent number 2,337,757
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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2291549
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Patent number 2,291,549
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Issue date Jul 28, 1942
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C03 - GLASS MINERAL OR SLAG WOOL