BRAIN TEASERS
Brain Teasers User Profile

gloria gundo

rank
737
points
0
See full ranking list
short ranking list
735. salamat baloch 0
736. Martin MacMan McWay Jr. 0
737. gloria gundo 0
738. Chimaobi NWAGU 0
739. Gerardo De Leon 0
last 3 solved tasks

Envelope machine patent

In 1849, the first U.S. patent for an envelope-making machine was issued to Jesse K. Park and Cornelius S. Watson of New York City (No. 6055). It was never used commercially, as it was shortly superceded by patents on improved machines by other inventors. It was treadle-operated and its mechanism included a stamper rod, gumming apparatus and folding apparatus. The patent model still exists in the collection of the National Postal Museum.«

My wife isn’t very good in th...

My wife isn’t very good in the kitchen. Last time she cooked she burned the salad.
Jokes of the day - Daily updated jokes. New jokes every day.
Follow Brain Teasers on social networks
This site uses cookies to store information on your computer. Some are essential to help the site properly. Others give us insight into how the site is used and help us to optimize the user experience. See our privacy policy.