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#!markdown It's old technology in a new application. Free market to use the concept, although I'm sure SRAM's tooth profile is unique and licencable. My RF ring's teeth don't look like a SRAM's though. <https://www.google.com/patents/US4174642>
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Jan. 8, 2014, 9:32 p.m. - heckler
#!markdown It's old technology in a new application. Free market to use the concept, although I'm sure SRAM's tooth profile is unique and licencable. My RF ring's teeth don't look like a SRAM's though. <https://www.google.com/patents/US4174642>