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3661298
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Patent number 3,661,298
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Issue date May 9, 1972
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G04 - HOROLOGY
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3636486
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Patent number 3,636,486
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Issue date Jan 18, 1972
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3625570
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Patent number 3,625,570
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Issue date Dec 7, 1971
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2990085
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Patent number 2,990,085
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Issue date Jun 27, 1961
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2965263
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Patent number 2,965,263
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Issue date Dec 20, 1960
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2464417
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Patent number 2,464,417
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Issue date Mar 15, 1949
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING