https://patentbrief.org/company/communications-services-corp-inc Plain-English explanations of patents assigned to Communications Services Corp Inc, newest first. en-us Sat, 13 Jun 2026 10:09:16 GMT https://patentbrief.org/patent/us/3713148/rfid-transponder-cardullo A 1970 patent describing a remote tag that powers itself using incoming radio signals to read and write data, forming the foundation of modern RFID technology. Tue, 23 Jan 1973 00:00:00 GMT https://patentbrief.org/patent/us/3713148/rfid-transponder-cardullo