Court of Customs and Patent Appeals April 15, 1965, Patent Appeal 7343 (Application of Walter Luttrell Graf)
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United States · · · 15-04-1965
MARTIN, Judge.
Appellant filed an application serial No. 112,160 on May 15, 1961 for an improvement in the process of spinning hollow filament viscose yarns, which application was a continuation-in-part of an application serial No. 834,673 filed August 19, 1959.
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