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Multi-level conveyer
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Patent number 6,336,549
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Issue date Jan 8, 2002
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Hsieh Chuan Jen
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3452448
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Patent number 3,452,448
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Issue date Jul 1, 1969
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F26 - DRYING
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3383780
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Patent number 3,383,780
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Issue date May 21, 1968
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B28 - WORKING CEMENT, CLAY, OR STONE
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3353515
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Patent number 3,353,515
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Issue date Nov 21, 1967
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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3091833
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Patent number 3,091,833
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Issue date Jun 4, 1963
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F26 - DRYING
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2274426
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Patent number 2,274,426
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Issue date Feb 24, 1942
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F26 - DRYING
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2130246
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Patent number 2,130,246
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Issue date Sep 13, 1938
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F26 - DRYING
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1925900
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Patent number 1,925,900
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Issue date Sep 5, 1933
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F26 - DRYING
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1734001
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Patent number 1,734,001
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Issue date Oct 29, 1929
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F26 - DRYING
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1618913
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Patent number 1,618,913
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Issue date Feb 22, 1927
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F26 - DRYING
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1615237
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Patent number 1,615,237
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Issue date Jan 25, 1927
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1603810
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Patent number 1,603,810
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Issue date Oct 19, 1926
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F26 - DRYING
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1563961
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Patent number 1,563,961
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Issue date Dec 1, 1925
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F26 - DRYING
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1562260
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Patent number 1,562,260
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Issue date Nov 17, 1925
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F26 - DRYING
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1549726
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Patent number 1,549,726
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Issue date Aug 11, 1925
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F26 - DRYING
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1539806
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Patent number 1,539,806
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Issue date May 26, 1925
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F26 - DRYING
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1539807
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Patent number 1,539,807
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Issue date May 26, 1925
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F26 - DRYING
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1521416
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Patent number 1,521,416
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Issue date Dec 30, 1924
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F26 - DRYING
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1500862
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Patent number 1,500,862
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Issue date Jul 8, 1924
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F26 - DRYING
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1500923
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Patent number 1,500,923
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Issue date Jul 8, 1924
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F26 - DRYING
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1490765
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Patent number 1,490,765
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Issue date Apr 15, 1924
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F26 - DRYING
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1449659
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Patent number 1,449,659
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Issue date Mar 27, 1923
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F26 - DRYING
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1445011
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Patent number 1,445,011
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Issue date Feb 13, 1923
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F26 - DRYING
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1441091
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Patent number 1,441,091
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Issue date Jan 2, 1923
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F26 - DRYING