Margaret Knight (1838–1914) applied for a patent using this model to demonstrate her machine that folded and pasted flat-bottomed paper bags. 18, 1989 patent issued Feb.25, 1986) to H. Peppiatt describes a reusable plastic bag with a loop handle. Explore the evolution of paper bags, from their invention to their role in modern times. Learn about the journey of this everyday essential. A list of all the items packed for the Lewis and Clark Expedition transcribed from Meriwether Lewis's original document. Rowan University has a very easy solution to this problem for one of their dining halls: make the takeout bags optional so they are only used when needed. In employing a patent attorney or agent, you execute a power of attorney, filed and made of record in the application file. A list of all the items packed for the Lewis and Clark Expedition transcribed from Meriwether Lewis's original document. Patent Appeal No. 2862.