Abrading – Machine – Rotary tool
Reexamination Certificate
2005-12-06
2005-12-06
Nguyen, Dung Van (Department: 3723)
Abrading
Machine
Rotary tool
C451S194000, C451S057000
Reexamination Certificate
active
06971948
ABSTRACT:
The present invention relates to methods and apparatus for removing coatings from generally opposed first and second major surfaces of a substrate. The method includes providing a table having a surface for slidable receipt of the substrate. First and second grinding apparatuses are provided at a mounting portion of the table, opposite one another. As the substrate moves over the table surface, it contacts the first and second grinding apparatuses. The coatings are simultaneously removed from the first major surface with the first grinding apparatus from the second major surface with the second grinding apparatus.
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O'Shaughnessy Roger D.
Valek Timothy J.
Cardinal CG Company
Fredrikson & Byron , P.A.
Nguyen Dung Van
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