index of patents
Index of Patents. An annual two-part publication of the U.S. Patent and Trademark Office, containing the year’s List of Patentees (Part I) and Index to Subjects of Inventions (Part II), arranged by class and subclass.
Index of Patents. An annual two-part publication of the U.S. Patent and Trademark Office, containing the year’s List of Patentees (Part I) and Index to Subjects of Inventions (Part II), arranged by class and subclass.