https://patentbrief.org/company/marvin-c-stone Plain-English explanations of patents assigned to Marvin C. Stone, newest first. en-us Sat, 13 Jun 2026 10:08:42 GMT https://patentbrief.org/patent/us/375962/drinking-straw-stone A 19th-century patent for a paper tube coated in wax, designed to replace natural rye grass straws for drinking beverages. Tue, 03 Jan 1888 00:00:00 GMT https://patentbrief.org/patent/us/375962/drinking-straw-stone