U.S. federal trademark · Serial No. 85504035 · Reg. No. 4808748
Hand-held electronic tree injection device having both an electronically controlled internal syringe having a piston which senses back pressure resulting from the injection of a liquid formulation into the xylem of a tree and an onboard computer to determine the amount of pressure to be exerted on the piston of the syringe
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.