https://patentbrief.org/company/dual-parking-meter-co Plain-English explanations of patents assigned to DUAL PARKING METER Co, newest first. en-us Sat, 13 Jun 2026 10:11:47 GMT https://patentbrief.org/patent/us/2118318/parking-meter-magee Carl Magee's 1935 invention of the mechanical parking meter, which introduced the concept of paying for temporary street parking using a coin-activated timer. Tue, 24 May 1938 00:00:00 GMT https://patentbrief.org/patent/us/2118318/parking-meter-magee