ISSN 0046-6115
Vol. 4, Issue 1, 1968November 01, 1968 PDT 
A Re-Examination of the Problem of Nonobviousness and Patent Validity 
A Re-Examination of the Problem of Nonobviousness and Patent Validity
Michael Keyes, A Re-Examination of the Problem of Nonobviousness and Patent Validity, 4 Gonzaga Law Review 65 (1968).
