https://patentbrief.org/company/charles-goodyear Plain-English explanations of patents assigned to Charles Goodyear, newest first. en-us Sat, 13 Jun 2026 10:26:50 GMT https://patentbrief.org/patent/us/3633/vulcanized-rubber-goodyear Charles Goodyear's 1844 patent describes the process of heating raw rubber with sulfur to create a durable, weather-resistant material. Sat, 15 Jun 1844 00:00:00 GMT https://patentbrief.org/patent/us/3633/vulcanized-rubber-goodyear