LE ROY ET AL. v. TATHAM ET AL.
55 US 156, 14 L. Ed. 367 - Supreme Court, 1852 - Google Scholar
The declaration alleged that John and Charles Hanson, of England, were the inventors of the
improvements specified, on or prior to the 31st of August, 1837; that on the 10th of January …
improvements specified, on or prior to the 31st of August, 1837; that on the 10th of January …