U.S. federal trademark · Serial No. 72091194 · Reg. No. 0721596
Circular Calculators, Air Navigation Computers, Mathematical Instruments Such as Planimeters, Integrators and Pantographs, Surveying Instruments Such as Levels, Theodolites and Accessories, Drafting Instruments Such as Scales, Protractors, Triangles, and Templates, Cartographic Instruments and Coordinatographs Including Engraving Instruments for Coated Foils and Plotting Instruments
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