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on 02 Apr 2019
Borenson, Henry
87943372 · 31 May 2018
02 Apr 2025
009
Color is not claimed as a feature of the mark.,Teaching apparatus, nam...
on 23 Dec 2017
BORENSON, HENRY
73604212 · 16 Jun 1986
08 Dec 2027
009
TEACHING APPARATUS, NAMELY CUBES AND PAWNS, FOR MATHEMATICS INSTRUCTIO...
on 25 May 2016
Borenson, Henry
74553007 · 25 Jul 1994
26 Mar 2026
041
educational services, namely workshops for mathematics instruction,MAK...
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