<P> vulcanize rubber perfected and patented in 1844, in Springfield, Massachusetts </P> <Tr> <Th_colspan="2"> Signature </Th> </Tr> <P> Charles Goodyear (December 29, 1800--July 1, 1860) was an American self - taught chemist and manufacturing engineer who developed vulcanized rubber, for which he received patent number 3633 from the United States Patent Office on June 15, 1844 . </P> <P> Goodyear is credited with inventing the chemical process to create and manufacture pliable, waterproof, moldable rubber . However, the Mesoamericans used a more primitive stabilized rubber for balls and other objects as early as 1600 BC . </P>

Who is credited with developing the process of vulcanization