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| 9663945 | Systems and methods for providing a window wall with flush slab edge covers | Apr 29, 15 | May 30, 17 | ELSTON WINDOW & WALL, LLC, REFLECTION WINDOW COMPANY, LLC, |
| 9611643 | Systems and methods for providing a window wall with flush slab edge covers | Jan 06, 15 | Apr 04, 17 | ELSTON WINDOW & WALL, LLC, REFLECTION WINDOW COMPANY, LLC, |
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