Series IV contains some miscellaneous patents dating from 1949 to 1953. There are also miscellaneous manuscript patent files for printing presses, with diagrams and blueprints, as follows: American patents, circa 1850-1900, French patents, 1824-1906, and German patents, 1893-1908.
Box 39
1949 November 8
Box 39
1950 February 14
Box 39
1950 April 4
Box 39
1950 May 2
Box 39
1950 May 23
Box 39
1950 August 8
Box 39
1950 August 15
Gift of Susan O. Thompson, 1982
Box 39
1952 December 9
Box 39
1952 December 16
Box 39
1952 December 23
Box 39
1952 December 30
Gift of Susan O. Thompson, 1982
Box 39
1953 January 6
Box 39
1953 February 3
Box 39
1953 March 10
Box 39
1953 March 17
Box 39
1953 April 7
Box 39
1953 May 26
Box 39
1953 June 9
Box 39
1953 June 16
Box 40
American patents, A-Hoe, circa 1850-1900
Gift of Emilia Kazimiroff, 1983
Box 41
American patents, L-W, circa 1850-1900
Gift of Emilia Kazimiroff, 1983
Box 42
French patents, 1824-1894, undated
Gift of Emilia Kazimiroff, 1983
Box 43
French patents, 1898-1906
Gift of Emilia Kazimiroff, 1983
Box 43
German patents, 1893-1908
Gift of Emilia Kazimiroff, 1983