U.S. federal trademark · Serial No. 75680829 · Reg. No. 2443309
Ambulatory assistance device for use by persons having difficulties in using stairs, namely, a system for ascending and descending stairs comprising stair/stepping units with side-arm connections and adjustment locks used on existing staircases to reduce the height of each step
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.