U.S. federal trademark · Serial No. 50134401 · Reg. No. 79852763
Reactors, coils, retorts and crackers for use in high temperature chemical reactions; Electrolysis apparatus for laboratory use; Electronic apparatus for testing the electrical conductivity of medical hydrogel electrodes; Teaching apparatus in the nature of hairdressing training heads; Electronic apparatus for testing compression, strength, hardness and tensile characteristics of industrial materials; Surveying apparatus and instruments; Electronic devices for measuring electric current; Precision instruments for manipulation and positioning of microscopic objects; Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography; Scientific and technical apparatus, namely, optical mirrors
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