| Patents for C. F. Keller |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
 | 444,923 | Jan. 20, 1891 | C.F. Spery | Pipe Tongs |
 | 450,676 | Apr. 21, 1891 | T. Newman | Pipe Wrench |
 | 450,972 | Apr. 21, 1891 | T. Newman | Pipe Wrench |
 | 454,222 | Jun. 16, 1891 | J.A. Miller | Wrench |
 | CA-37,074 | Jul. 28, 1891 | T. Newman | Pipe Wrench |
 | 470,626 | Mar. 08, 1892 | W.J. Walker | Wrench |
 | 478,948 | Jul. 12, 1892 | A. Bareis | Pipe Wrench |
 | 480,140 | Aug. 02, 1892 | J.F. Sauerman | Chain Pipe Wrench |
 | 482,109 | Sep. 06, 1892 | W.J. Walker | Pipe Wrench |
 | 484,575 | Oct. 18, 1892 | E. Wetterhahn | Mechanic's Square |
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