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Home › Building perpendicularity testing and adjustment

Building perpendicularity testing and adjustment

US Patent 9222784 · Granted Dec 29, 2015

Assignee

Unknown

Inventors

Richard M. Keene (4 patents)
Stephen Kent Garland (3 patents)
Milne T. Crouch (3 patents)
Daniel Travis Maxwell (2 patents)
Daniel C. Maxwell (4 patents)

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