U.S. federal trademark · Serial No. 86807738 · Reg. No. 5152208
Teaching and instructional apparatus in the nature of manipulative blocks, mirrors, wooden and plastic blocks and cubes as teaching aids for visualization of geometry and reflection; teaching implements and instruments, namely, blocks, cubes, mirrors, and graph boards as teaching aids for visualization of geometry and reflection; educational tools aids in the nature of blocks and mirrors for teaching and exploring geometry and reflection
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