a Pennsylvania schoolteacher. Wolle and his brother patented the machine and founded the Union Paper Bag Company.

In 1853, James Baldwin, papermaker of Birmingham and Kings Norton in England, was granted a patent for apparatus to make square-bottomed paper bags. Thereafter he used an image of a flat-bottomed bag as his business logo.

In 1871, inventor Margaret E. Knight designed a machine that could create flat-bottomed

1.Previous
3.Next