U.S. federal trademark · Serial No. 76307202 · Reg. No. 2976738
musical instrument accessories, namely, devices having a raised abrasive surface simulating guitar strings used to condition and callous human fingers
exercise conditioning and rehabilitation devices for human phalanges, namely devices having a raised abrasive surface for simulating guitar strings used to condition human and callous human fingers
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.