PATDD

The East German Patent file
Database Producer
German Patent and Trademark Office
Description

PATDD contains bibliographic information and abstracts of patent pub- lications published by the former German Democratic Republic until October 2, 1990, and by the German Patent and Trademark Office from October 3, 1990. Also, the database contains the bibliographic data of patents granted according to the patent law of the GDR published by the German Patent and Trademark Office from October 3, 1990 onwards.

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Database Summary Sheet: Concise description with all fields, all formats, many examples.

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In addition to the STN General Terms & Conditions, please find the file-specific Usage Terms here.