It’s St. Patrick’s Day, and a good time to review how it is celebrated in the records of U.S. Patent Office.
U.S. D505846 Covers a Shamrock Shaped Bottle Opener
U.S. Patent No. D460716 covers a Shamrock Decoration
U.S. Patent No. D529549 covers a Shamrock Bingo Dobber
U.S. Patent No. D445315 covers a Shamrock Cookie Die
U.S. Patent No. 7,393,113 covers an Illuminating Necklace with shamrock lights
U.S. Patent No. 10092020 covers Non-Contact Printed Comestible Products and Apparatus and Method for Producing Same which can include a shamrock design
U.S. Patent No. D454613 covers a Shamrock Fountain