No holiday escapes the beneficial attention of inventors many of whom have sought to improve our St Patrick’s day.

U.S. Patent No. 962872 on perfume tablets designed to be dissolved in water and to give forth a perfume upon dissolution, and includes an embodiment with a shamrock design “peculiarly appropriate to dinners given on St. Patrick’s Day.”

U.S. Patent No. 5,184,482 dislcloses an ear ornament with an embodiment having a shamrock, perfect for St. Patrick’s Day:

U.S. Patent No. 5,255,825 discloses a device to “dispense green dye into individual glasses or pitchers on Saint Patrick’s Day”:

U.S. Patent No. 5,487,924 discloses napkin rings, with an embodiment perfect for St. Patrick’s Day:

U.S. Patent No. 5,491,617 discloses an Illuminated Fluid Tap, and suggests that the tap be illuminated “green for St. Patrick’s Day celebrations.”

U.S. Patent No. 5,543,321 disclosed colored plant culture media, and suggest that the media “sold at St. Patrick’s Day can contain culture medium dyed green.”

U.S. Patent No. 9,863,641, disclosed a heating appliance with light and sound that can be illuminated green for St. Patrick’s Day:

U.S. Patent No. D828774 discloses a Necklace perfect for St. Patrick’s Day:

U.S. Patent No. D828,776 discloses another embodiment of necklace perfect for St. Patrick’s Day: