. . . . . . . . . . . . . "History"@en . . . . . . "Patents of invention : origin and growth of the patent system in Britain" . "Patents of invention : origin and growth of the patent system in Britain"@en . . . . "Patents of invention; origin and growth of the patent system in Britain"@en . . . "Patents of invention; origin and growth of the patent system in Britain" . . . . . "Patents of Invention : origin and growth of the patent system in Britain" . . "Patents of Invention : Origin and Growth of the Patent System in Britain" . . . . "Patents of invention origin and growth of the patent system in Britain"@en . . "Patent laws and legislation Great Britain." . . "Patents d'invenció Gran Bretanya." . .