U.S. federal trademark · Serial No. 79092186 · Reg. No. 4085781
Water testing apparatus and instruments for monitoring and detecting contamination; apparatus and instruments for testing central heating water, namely, a plastic water tester device containing a magnet for use in testing for the effects of corrosion in the system; apparatus and instruments for monitoring central heating water for contamination; parts and fittings for all of the aforesaid goods
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