Tag: patent
NATIONAL KAZOO DAY - January 28
National Kazoo Day on January 28th recognizes nearly 200 years of kazoo music in the United States. Hum, buzz and make music!
NATIONAL BALLPOINT PEN DAY - June 10
June 10th of each year, National Ballpoint Pen Day recognizes the useful writing utensil & commemorates the anniversary of the patent filing in 1943.