U.S. federal trademark · Serial No. 87898682 · Reg. No. 5678246
Densitometers not for medical use; Educational apparatus, namely, a transparent tank used as a teaching aid for the chemical process of making alternative fuels; Educational apparatus, namely, manipulative blocks used as teaching aids for the visualization of math concepts; Laboratory instrument for the detection of pathogens and toxins in a biological sample for research use; Lasers, not for medical purposes; Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography; Photometers; Precision balances; Precision instruments for manipulation and positioning of microscopic objects; Electronic educational apparatus, namely, communication blocks that manipulate and convey information electronically based on their arrangement and are used for cognitive development in disciplines such as counting, spelling or quantitative; Technical measuring, testing and checking apparatus and instruments for measuring, testing and checking the temperature, pressure, quantity and concentration of gas and liquids
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