U.S. federal trademark · Serial No. 75155814 · Reg. No. 2229359
machine particularly of small size with working mechanisms to directionally form a pilot bore and simultaneously install a pilot string through the pilot bore to a remote installation underground, to correct the pilot string to line and grade, and to pull back through the corrected pilot bore a conduit of varying diameter and lengths
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.