OSCAR H. DAVIS, Circuit Judge.
This appeal is from a decision of the Patent and Trademark Office (PTO) Board of Appeals (board) sustaining the examiner's rejection of claims 1-6 as obvious under 35 U.S.C. § 103. We affirm.
Appellant's invention (as set forth in his application for "Camshaft with Hardened Cam Surfaces") involves camshafts in which the camming surfaces although engageable over their entire widths by cam followers are hardened in central...
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