Patents Type - Pin Tumbler Push Key - Issue Date Order

1890/01/07 Bramble, William H. -> 418884 - >
1901/06/11 Abbott, I. W. -> 676295 - >
1901/11/19 Ballou, Waldo R. -> 686882 - >
1909/04/13 Stone, Elmer B. -> 917810 - >
1909/07/13 Johnson, Charles E. -> 928201 - >
1910/01/18 Thomas, Charles H. -> 946710 - >
1910/07/12 Stone, Elmer B. -> 964331 - >
1911/02/07 Murphy, James J. -> 983637 - >
1912/06/18 Page, Albert A. -> 1029942 - >
1918/01/08 Rudzinski, John S. -> 1253100 - >
1928/07/17 Croning, Johannes -> 1677432 - >
1931/03/17 Croning, Johannes -> 1797075 - >


12 Patents Listed