Appeal No. 97-4209
Application No. 08/532,507
marble and granite. Aside from sharing the disclosure of a
grinding wheel, the grinding wheels and materials that are
ground by the grinding wheels of Miller and Quintilio have
little in common. In our view, the only suggestion for
combining such disparate structures in the manner proposed by
the examiner stems from hindsight knowledge derived from
appellant's own disclosure. Therefore, we will not sustain
the examiner's rejection of claims 20, 21, 29
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