Annual report of the Commissioner of Patents / U.S. Department of Commerce, Patent Office

1838; 1841; 1843; 1842-1844; 1844-1848; 1849:2; 1849 pt.1; 1849 pt.1 mech; 1849 pt.2; 1849, pt. 2; 1849 pt.2 agric; 1849/1850 (mechanical); 1850; 1850:2; 1850 pt.1; 1850 pt.1 mech; 1850 pt.2; 1850, pt. 2; 1850 pt.2 agric; 1851:1; 1851 (mechanical); 1851 pt.1; 1851 pt.1 mech; 1851 pt.2; 1851 pt.2 agric; 1851/1852 (agricultural); yr.1852; 1852:2; 1852:1; 1852 pt.1; 1852 pt.1 mech; 1852 pt.2; 1852 pt.2 agric; 1852/1853 (mechanical); yr.1853; 1853; 1853 mech; 1853:2; 1853:1; 1853 pt.1; 1853 pt.2; 1854; 1854:2; 1854:1:2; 1854:1; 1854 pt.1; 1854, pt. 1; 1854 pt.2; 1854 pt.3; 1854 mech v.1; 1854 pt.1 v.1; 1854 mech v.2; 1854 pt. 1 v.2; 1855; 1855 agric; 1855 (agricultural); 1855 pt.1; 1855 pt.2; 1855 pt.3; 1855 (v.1); 1855 mech v.1; 1855 (mech. v.1); 1855 pt.1 v.1; 1855 (v.2); 1855 (mech. v.2); 1856; 1856:2; 1856:1:2; 1856 pt.1; 1856 pt.2; 1856 pt.3; 1856 (v.1); 1856 mech v.1; 1856 (mechanics v.1); 1856 pt.1 v.1; 1856 (v.2); 1856 mech v.2; 1856 (mechanics v.2); 1856 pt. 1 v.2; 1856 (v.3); 1856 mech v.3; 1856 (mechanics v.3); 1856 pt. 1 v.3; 1857; 1857:2; 1857 (agriculture); 1857 pt.1; 1857 pt.2; 1857 pt.3; 1857 pt.4; 1857 (v.1); 1857 mech v.1; 1857 (mechanics v.1); 1857 pt.1 v.1; 1857 (mechanics v.2); 1857 (v.3); 1857 mech v.3; 1858; 1858 agric; 1858:2; 1858 pt.1; 1858 pt.2; 1858 pt.3; 1858 pt.4; 1858 mech v.1; 1858 pt. 1 v.1; 1858 (mechanics v.2); 1858 mech v.3; 1858 (mechanics v.3); 1858 pt.1 v.3; 1859; 1859 agric; 1859:2; 1859:1:2; 1859:1:1; 1859 pt.1; 1859 pt.2; 1859 mech v.1; 1859 (mechanics v.2); 1860; 1860:2; 1860:1:2; 1860 pt.1; 1860 pt.1:2; 1860 pt.2; 1860 pt.3; 1860 (v.1); 1860 (mechanics v.1); 1860 pt. 1 v.1; 1860 (mechanics v.2); 1861; 1861:2; 1861:1:2; 1861:1:1; 1861 pt.1; 1861 pt.2; 1861 pt.3; 1861 mech v.1; 1861 (mechanics v.1); 1861 pt.1 v.1; 1861 mech v.2; 1861 (mechanics v.2); 1861 pt. 1 v.2; 1862 pt.1; 1862 pt.2; 1862 (v.1); 1862 (mechanics v.1); 1862 pt. 1 v.1; 1862 (v.2); 1862 (mechanics v.2); 1862 pt. 1 v.2; 1863 pt.1; 1863 pt.2; 1863 (v.1); 1863 (mechanics v.1); 1863 pt. 1 v.1; 1863 (v.2); 1863 (m