US2946450A
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Liquid filters
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US2946449A
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Liquid filters
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US2731183A
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Making oil filter cartridges
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US2685458A
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Coupling for hydraulic hose
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US2672673A
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Manufacture of fibrous material for filters and the like
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US2672672A
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Manufacture of fibrous material in sheet form
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US2672674A
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Manufacture of fibrous material in sheet form
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US2338264A
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Badge holding means
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US1568189A
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Air brake
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CA116673A
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Temperature controller for furnaces
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CA510629A
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Manufacture of fibrous material for filters and the like
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CA510628A
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Manufacture of fibrous material in sheet form
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CA510627A
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Manufacture of fibrous material in sheet form
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CA512654A
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Couplings for hydraulic hose
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