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Index of Patents Issued from the United States Patent Office
pt. 1. List of patentees.--pt. 2. Index to subjects of inventions.
Catalogue
None
American Dental Directory
With 1994: Includes information on National Dental Organizations, state and regional dental examining boards, foreign dental organizations, United States and Canadian dental schools, and dental trade organizations, as well as a geographical listing and specialty listing of U.S. dentists.
