March 17, 2021

St. Patrick’s Day in Patent History

It’s St. Patrick’s Day, and a good time to review how it is celebrated in the records of U.S. Patent Office.

Patented Shamrock Bottle Opener for St. Patrick's Day

U.S. D505846 Covers a Shamrock Shaped Bottle Opener

A patent for a shamrock decoration for St. Patrick's Day

U.S. Patent No. D460716 covers a Shamrock Decoration

A Bingo Dobber for St. Patrick's Day protected by a patent

U.S. Patent No. D529549 covers a Shamrock Bingo Dobber

A design patent protects this Shamrock cookie die

U.S. Patent No. D445315 covers a Shamrock Cookie Die

A patent protects this light-up shamrock necklace

U.S. Patent No. 7,393,113 covers an Illuminating Necklace with shamrock lights

Image of a patent drawing featuring a shamrock design

U.S. Patent No. 10092020 covers Non-Contact Printed Comestible Products and Apparatus and Method for Producing Same which can include a shamrock design

Image of a fountain with shamrock design protected by a U.S. Patent

U.S. Patent No. D454613 covers a Shamrock Fountain