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US3231922A
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Storable support for floor cleaning apparatus
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US3254480A
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Filter support for vacuum cleaners
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US3064300A
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Floor cleaning apparatus
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US3069716A
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Vacuum cleaner nozzle and attachment
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US3019042A
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Coupling element
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US3055039A
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Cleaning apparatus
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US2990979A
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Attachment for floor treating apparatus
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US3042461A
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Dolly for cleaning apparatus with improved wheel bearings
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US2972155A
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Floor treating apparatus
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US2847198A
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Beater blade assembly
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US2874396A
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Brushing and scrubbing machine
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CA750088A
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Filter support for vacuum cleaners
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CA679340A
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Vacuum cleaner nozzle and attachment
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CA654733A
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Dolly for cleaning apparatus with improved wheel bearings
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CA692663A
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Cleaning apparatus
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CA636469A
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Attachment for floor treating apparatus
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CA666895A
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Coupling element
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CA659290A
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Scrubbing and polishing machine
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