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Patent portfolio assigned to Ring Rescue Inc (verified via public assignee records). Estimated patent count: 1. Dartmouth, Nova Scotia medical-device company; FDA-registered/Health Canada-licensed Compression Device and Dolphin Ring Cutter for non-destructive stuck-ring removal. Customer logos on own site include Mayo Clinic, Cleveland Clinic, Penn Medicine, Tampa General, Orlando Health, Nova Scotia Health, plus fire departments. Patents confirmed: company's own blog announces a US patent (granted Nov 2020) and the compression-device patent is assigned to 'Ring Rescue Inc.' (inventors Hennessey, MacKeil, Campbell, Ellsmere, Spencer); count likely >=1, exact total not cleanly visible. No direct competitors named on own site.