Tea bags
-Reference.com
Back in 1904, a tea and coffee importer, Thomas Sullivan, motionless to sell his tea in a singular approach by pouring it into silk bags. But later, brewing tea in a porous bags incited out to be some-more convenient. The thought got outrageous recognition after a sales reached higher.
Vaseline
-Mother Nature Network
In a midst of 19th century, a British chemist Robert Chesebrough did some investigate on slick piece that amassed in a oil supply pumps and he found it useful. Back then, it was used for countless functions from restorative wound to cleaning carpets.
Article source: http://aaj.tv/2017/05/common-things-that-were-invented-for-totally-different-purpose/