U.S. federal trademark · Serial No. 78136486 · Reg. No. 2781867
Tamper resistant or tamper evident split steel or flexible metal aircraft cable key ring that locks into a single tamper-proof ring after keys or other items for which controls are needed are added, allowing keys to move on the ring, but not allowing a re-opening of the ring or a re-closing of the ring after re-opening, to maintain key security control
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.