| All Patents of Type: locks |
Patents 1 -
15
of 22
      |
| Number | Date | Patentee | Title | Type |
| 2,948X | Apr. 28, 1818 | W. Pye | Lock, Called the Union Lock | locks |
| 6,097X | Oct. 01, 1830 | J. Baker | Spring Wire Lock | locks |
| 1,323 | Sep. 14, 1839 | W. Stillman | Safety-door lock | locks |
| 45,014 | Nov. 15, 1864 | H.H. Baker | Improvement in locks | locks |
| 52,995 | Mar. 06, 1866 | A. Hardy, F.L. Walker, G.A. Walker | Improvement in locks | locks |
| 64,605 | May 07, 1867 | S. Wheeler | Improvement in permutation locks | locks |
| 68,922 | Sep. 17, 1867 | S. Wheeler | Improvement in permutation locks | locks |
| 85,345 | Dec. 29, 1868 | W.H. Sullenberger | Improvement in sash stop and lock | locks |
| CA-30 | Sep. 07, 1869 | J.W. Jacobs | Improvements in locks | locks |
| CA-31 | Sep. 07, 1869 | W. Bentley, C. Mee | Improvements in locks | locks |
| 115,231 | May 23, 1871 | J. Obernesser | Improvement in permutation-locks | locks |
| 262,977 | Aug. 22, 1882 | M.L. Orum | Lock-case | locks |
| 367,436 | Aug. 02, 1887 | M.L. Orum | Mortise-lock | locks |
| 741,685 | Oct. 20, 1903 | F.W. Lindgren | Lock | locks |
| 1,382,529 | Jun. 21, 1921 | S.S. Morton | Lever-Lock | locks |
