Shamrock Related Patents and St Patrick's Day Publicity Stunts
By Mary Bellis, About.com Guide
Chicago River dyed green for St Patrick's Day
Thousands of spectators watch as the Chicago River is dyed green prior to the annual St. Patrick's Day parade
Frank Polich/Getty Images
Thousands of spectators watch as the Chicago River is dyed green prior to the annual St. Patrick's Day parade in Chicago, Illinois. The annual St. Patrick's Day celebration has included dying the Chicago River green since 1962.
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- Design Patent D335,678 - shamrock clovers
- Chicago River dyed green for St Patrick's Day
- Sydney Opera House Lit Green For St Patrick's Day
- Green Champagne
- Design Patent D509,128 - Clover shaped carabiner
- Design Patent D466,172 - Leprechaun golf head cover
- Ireland's Historical Emblems
- Design Patent D404,134 - Shamrock shaped adhesive bandage
- Design Patent D505,846 - Shamrock shaped bottle opener
- Design Patent D445,315 - Shamrock cookie die
- Design Patent D466,281 - Four leaf clover golf umbrella
- Design Patent D466,281 - Four leaf clover golf umbrella Page 2
- Design Patent D466,571 - Clover golf head cover
St Patrick's Day Charms
Shamrocks
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