1839 Charles Goodyear innovates the vulcanization of rubber. Soon after, he secures patents for condoms, douching syringes and cervical caps, but is unable to manufacture them, defend all his patents, or even make tires in his lifetime.
Charles Goodyear and the Vulcanization of Rubber - Obsessive dedication transformed rubber into a viable commercial material and made the town of Naugatuck one of its leading manufacturing sites in the 1800s. - See more at: http://connecticuthistory.org/charles-goodyear-and-the-vulcanization-of-rubber/
june 15,1844 – Charles Goodyear receives a patent for vulcanization, a process to strengthen rubber.Goodyear discovered the vulcanization process accidentally after five years of searching for a more stable rubber. In 1898, almost four decades after his death, The Goodyear Tire & Rubber Company was founded and named after Goodyear by Frank Seiberling