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Science 31 August 1962:
Vol. 137. no. 3531, pp. 672 - 673
DOI: 10.1126/science.137.3531.672
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Articles

Patent Office Search Files: A Tool for Historical Research and Technological Development

Simon M. Newman 1

1 1411 Hopkins Street, NW, Washington 6, D.C.

The classified search files of the U. S. Patent Office are useful for locating a desired patent record. The method of constructing these files, and the tools needed to enter the classification scheme at the proper locus, are described.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)