Sunday, September 13, 2009




These two(X and Y) are said to be the inventors of a famous.. everyday use household product. they belong to a company Z.. Name the company and the Invention..(A)
btw X is the holder of 30 Us patents and retired from Z in 1998... which includes 13 patents being shared with Y... Name all !


Vijay said...

X- samuel smith
Y- patsy sherman
both belong to the company 3M

invention is SCOTCHGARD

Nakki said...

Samuel Smith and Patsy Sherman inventing Scotchgard for 3M