1 result for “Owens-Illinois”
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Patent · March 2, 1937
Flowerpot Watering System (US Patent 2,072,185, 1937)
…1937, filed November 16, 1935. The patent's description opens (from the scanned text): This invention relates to self-watering flower pots, of the ventilated type, adapted to be used individually or in series for connection…