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Calendar of the Patent Rolls Preserved in the Public Record Office: 1301-1307
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Reports of Patent, Design, Trade Mark, and Other Cases, Volume 22
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Aronautics: An Abridgment of Aronautical Specifications Filed at the Patent Office from A.D....
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Patent Rolls of the Reign of Henry Iii.: 1232-1247
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Calendar of the Patent Rolls: Preserved in the Public Record Office, Part 4,volume 12
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Patents for Inventions: Abridgements of Specifications Relating to Photography
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Calendar of the Patent Rolls: Preserved in the Public Record Office, Part 4,volume 11
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Subject List of Works On Aerial Navigation and Meteorology: In the Library of the Patent Office
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Patents for Inventions; A.d. 1877-1883
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Subject List of Works of Reference, Biography, Bibliography, the Auxiliary Historical Scienc...
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Calendar of the Patent Rolls Preserved in the Public Record Office: Prepared Under the Super...
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Patent Rolls of the Reign of Henry Iii.: 1225-1232
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Patents for Inventions (Volume 2); Abridgments of Specifications Relating to Printing, Inclu...
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Subject List of Works On Architecture and Building Construction, in the Library of the Paten...
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Calendar of the Patent Rolls Preserved in the Public Record Office: Edward Iii. A. D. 1327-[...
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Calendar of the Patent Rolls Preserved in the Public Record Office, Issues 1441-1446
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Calendar of the Patent Rolls Preserved in the Public Record Office, Issues 1399-1401
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Reports of Patent, Design, Trade Mark, and Other Cases, Volume 19
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Calendar of the Patent Rolls: Preserved in the Public Record Office, Part 4,volume 10
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Calendar of the Patent Rolls Preserved in the Public Record Office
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Patents for Inventions: Abridgements of Specifications Relating to Sugar. A.D. 1663-1866
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