Authors: Patent Office

  • Alphabetical Index of Patentees and Applicants for Patents of Invention, by B. Woodcroft — Patent Office

    Alphabetical Index of Patentees and Applicants for Patents of Invention, by B. Woodcroft — Patent Office

  • Reference Index of Patents of Invention, From 1617 to 1852, by B. Woodcroft. [With] Appendix — Patent Office

    Reference Index of Patents of Invention, From 1617 to 1852, by B. Woodcroft. [With] Appendix — Patent Office