U.S. federal trademark · Serial No. 73196489 · Reg. No. 1154506
Pneumatically Operated Door Assister Apparatuses for Use in Opening Manually-Operated Doors
Electrically Operated Door Assister Apparatus for Use in Opening Manually-Operated Doors
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.