A List of Patents Granted by the United States, for the Encouragement of Arts and Sciences, Alphabetically Arranged from 1790 to 1820 Continued by Supplements to April, 1823, Containing the Names of Patentees, Their Places of Residence, and the Dates of Their Patents, Also, a List of Books, &c., Deposited in the Department of State, for Security Copy-rights from January 1796, to January 1822, Continued by a Supplement, to April 1823 ...