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Anderson's Stone Dresser

Scientific Intelligence- October 7, 1871

Churn Dasher

Copson's Improved Corn Broom

Trade Mark Registrations.--Interesting Decision by the Hon. M. D. Leggett, Commissioner of Patents

Extension of Centering Machine Patent

What Constitutes Patentability in an Article of Manufacture.--Important Decision By the Commissioner of Patents

Parish's Improved Land Mark

Chemical Manures

Important Decisions by the Commissioner of Patents

Labor in England, and the International Working Men's Association

Trade Mark Registrations

Fair of the American Institute

The Ether Controversy

Answers to Correspondents- October 7, 1871

Editorial Summary- October 7, 1871

Recent American and Foreign Patents- October 7, 1871

Queries- October 7, 1871

Official List of Patents- October 7, 1871


  • Letters

    Correspondence- October 7, 1871

  • Departments

    Business and Personal- October 7, 1871

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