U.S. federal trademark · Serial No. 85110476 · Reg. No. 008897365
Downhole drilling jars, namely, mechanical devices used downhole to deliver an impact load to another downhole component; downhole enhancer tools for delivering an impact load in tubing, casings or wells; replacement parts and fittings for the aforesaid goods
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.