Great Britain. Patent Office.

• Patents for inventions
• Alphabetical index of patentees of inventions. 1617/1852-
• A century of trade marks
• Chronological index of patents applied for and patents granted [afterw.] of patentees and ..
• Illustrated British firearms patents, 1714-1853
• Patents for inventions
• Patents for inventions
• Patents for inventions
• Patents for inventions. Abridgments of specifications
• Patents for Inventions. Abridgments of Specifications Relating to Plating Or Coating Metals with ...
• Patents for Inventions: Abridgments of Specifications Relating to Books, Portfolios, Card-cases ..
• Patents for inventions: abridgments of specifications relating to farriery