Database of the Historical Archive of the Spanish Patent and Trademark Office (OEPM) showing the patents granted between 1878 and 1940.
To access the database, click on "Historical database: Patents (1878-1940)" and access to the consultation form.
You can search for the information by: application date, patent number, applicant, province of residence of the applicant in Spain, title, language and international classification. The results can be configured either by number or by order (date, applicant or patent number)
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