Volume 6 · 319
Private Law 18–CCIX
to authorize the issuing of letters patent to Nathaniel Sylvester.
Approved May 26, 1824
Statutory text
An Act
to authorize the issuing of letters patent to Nathaniel Sylvester.
Be it enacted, &c.,
That the Secretary of State be, and hereby is, authorized and required to issue letters patent, in the usual form, to Nathaniel Sylvester, for his invention of a new and useful preparation, for paper, to prevent frauds in bank checks and other writings, by ex- EIGHTEENTH CONGRESS. Sess. I. Ch. 210, 211. 1824. tracting the ink from the paper through chemical applications, upon his complying with all the provisions of the several acts of Congress relative to the issuing of letters patent for inventions and improvements, except so far as the said acts require, on the part of aliens, a residence of two years in the United States.
Approved, .