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US3641998A
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Animal and bird member operated vaccinator
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US3593714A
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Hand-held beak trimmer and vaccinator
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Rectilinear cutting attachment for beak trimmer
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Beak trimmer and cauterizing machine having plural adjustable beak-holding elements
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Display incubator and brooder
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Portable hand operated beak cutter and cauterizer for fowl and the like
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Humidifier with rotating diffusion blade
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Beak trimmer and cauterizing device for fowl
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Low voltage heating means
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US2505559A
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Beak burner for fowl
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Beak and wing trimmer and cauterizer for fowl and the like
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Beak cauterizer for fowl and the like
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Brooder
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Air filter and medicator for poultry hovers and the like
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GB472102A
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A device for opening milk cans and the like
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US2040615A
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Milk can opener
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