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TO THE

PATENT LAW,

CONFORMING TO THE

SUGGESTIONS OF THE HON. HENRY CLAY,

WITH A

Definition of an Invention,

AND AN

ARGUMENT

IN SUPPORT OF THE PROPOSED AMENDMENT:

ALSO

EVIDENCE SHOWING THAT INJUSTICE HAS BEEN PRACTISED UNDER
A FORMER ADMINISTRATION OF THE PATENT OFFICE,

BY REFUSING TO GRANT PATENTS,

TOGETHER WITH

THE ARGUMENT OF THE AUTHOR BEFORE THE COMMISSIONER OF PATENTS,
ON HIS APPLICATION FOR AN EXTENSION-THE REPORT ON

THE CASE BY THE PRINCIPAL EXAMINER, AND

THE REPLY THERETO BY THE AUTHOR.

ALSO

SUBSEQUENT ACTION OF THE OFFICE, AND COMMENTS THEREON.

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