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Beginning Patent Numbers for the Years 1836 through 1995
Year # Year # Year # Year # Year # 1836 1 1868 72,959 1900 640,167 1932 1,839,190 1964 3,116,487 1837 110 1869 85,503 1901 664,827 1933 1,892,663 1965 3,163,865 1838 546 1870 98,460 1902 690,385 1934 1,941,449 1966 3,226,729 1839 1,106 1871 110,617 1903 717,521 1935 1,985,878 1967 3,295,143 1840 1,465 1872 122,304 1904 748,567 1936 2,026,516 1968 3,360,800 1841 1,923 1873 134,504 1905 778,834 1937 2,066,309 1969 3,419,907 1842 2,413 1874 146,120 1906 808,618 1938 2,104,004 1970 3,487,470 1843 2,901 1875 158,350 1907 839,799 1939 2,142,080 1971 3,551,909 1844 3,395 1876 171,641 1908 875,679 1940 2,185,170 1972 3,631,539 1845 3,873 1877 185,813 1909 908,436 1941 2,227,418 1973 3,707,729 1846 4,348 1878 198,733 1910 945,010 1942 2,268,540 1974 3,781,914 1847 5,409 1879 211,078 1911 980,178 1943 2,307,007 1975 3,858,241 1848 5,409 1880 223,211 1912 1,013,095 1944 2,338,081 1976 3,930,271 1849 5,993 1881 236,137 1913 1,049,326 1945 2,366,154 1977 4,000,520 1850 6,981 1882 251,685 1914 1,083,267 1946 2,391,856 1978 4,065,812 1851 7,865 1883 269,820 1915 1,123,212 1947 2,413,675 1979 4,131,952 1852 8,622 1884 291,016 1916 1,166,419 1948 2,433,824 1980 4,180,867 1853 9,512 1885 310,168 1917 1,210,389 1949 2,457,797 1981 4,242,757 1854 10,358 1886 333,494 1918 1,251,458 1950 2,492,944 1982 4,308,622 1855 12,117 1887 355,291 1919 1,290,027 1951 2,536,016 1983 4,366,579 1856 14,009 1888 375,720 1920 1,326,899 1952 2,580,379 1984 4,423,523 1857 16,324 1889 395,305 1921 1,364,063 1953 2,624,046 1985 4,490,855 1858 19,010 1890 418,665 1922 1,401,948 1954 2,664,562 1986 4,562,596 1859 22,477 1891 443,987 1923 1,440,362 1955 2,698,434 1987 4,633,526 1860 26,642 1892 466,315 1924 1,478,996 1956 2,728,913 1988 4,716,594 1861 31,005 1893 488,976 1925 1,521,590 1957 2,775,762 1989 4,794,652 1862 34,045 1894 511,744 1926 1,568,040 1958 2,818,567 1990 4,840,335 1863 37,266 1895 531,619 1927 1,612,700 1959 2,866,973 1991 4,980,927 1864 41,047 1896 552,502 1928 1,654,521 1960 2,919,443 1992 5,077,836 1865 45,685 1897 574,369 1929 1,696,897 1961 2,966,681 1993 5,175,886 1866 51,784 1898 596,467 1930 1,742,181 1962 3,015,103 1994 5,274,846 1867 60,658 1899 616,871 1931 1,787,424 1963 3,070,801 1995 5,377,359
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