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| Patents for Vulcan Iron Works (San Francisco) | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 15,309 | Jul. 08, 1856 | J. Tyler | Improved water-wheel | |
 | 425,386 | Apr. 08, 1890 | R.E. Nevin | Saw-mill set-works | |
 | 468,303 | Feb. 02, 1892 | C.J. Koeford | Bandsaw mill | |
 | 632,356 | Sep. 05, 1899 | J.T. Ludlow | Cold-storage apparatus | |
| CA-65,216 | Dec. 05, 1899 | J.T. Ludlow | Rope tramway system | ||
 | 644,675 | Mar. 06, 1900 | J.T. Ludlow | Rope-tramway system | |
 | 661,184 | Nov. 06, 1900 | J.T. Ludlow | Ammonia-compressor | |
 | 762,406 | Jun. 14, 1904 | S.S. Herrick | Valve | |