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- [22] UNITED-STATES PATENT REQUIREMENTS IN VITRO-JOURNAL OF THE TISSUE CULTURE ASSOCIATION, 1981, 17 (12): : 1084 - 1085
- [24] UNITED-STATES PATENT OFFICE PLANS REORGANIZATION TO DEAL WITH GENETIC-ENGINEERING BIO-TECHNOLOGY, 1983, 1 (09): : 732 - 734
- [26] STORY OF UNITED-STATES PATENT OFFICE AND PATENTS IN ACTION - PHARMACEUTICAL MANUFACTURES ASSOC JOURNAL OF THE PATENT OFFICE SOCIETY, 1966, 48 (03): : 210 - 211
- [28] APPROACH OF THE UNITED-STATES PATENT AND TRADEMARK OFFICE (USPTO) TO FINDING PRIOR ART ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1979, (APR): : 44 - 44