MILLER, Judge.
This appeal is from a decision of the Patent and Trademark Office (PTO) Board of Appeals affirming rejections of claims 1-18 under 35 U.S.C. § 102(b) and claims 17 and 18 under 35 U.S.C. § 103 in application serial No. 832,542, filed May 12, 1969, which is a continuation of application serial No. 670,189, filed September 25, 1967, for "Piezoelectric Transducer Sensor." The controlling issues involve the questions of whether the invention was...
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