It is believed that Chinese invented toilet paper, this day back in the year 580 AD. Before this invention, humans relied on tree barks, leaves, moss,…
Tag: paper
This Day in Patent History - On February 20, 1872, Luther Crowell patented a machine that manufactured the square-bottom paper grocery bags
On February 20, 1872, Luther Crowell patented a machine that manufactured the square-bottom paper grocery bags. The square-bottom paper grocery bag has been around well…
This Day in Patent History - On January 16, 1909, David G Galbraith patented an improved paper clip
On January 16, 1909, David G Galbraith patented an improved paper clip. Patent Information Publication number: US957764 A Patent Title: Paper Clip Publication type:…
This Day in Patent History - On December 22, 1891, a patent was granted for Toilet-paper roll
On December 22, 1891, a patent was granted for Toilet-paper roll. This 124-year-old patent solves the ‘over versus under’ toilet paper roll debate. According to…