| Patents for C. Spengel |
Patents 1 -
10
of 24
      |
| Picture | Number | Date | Patentee | Title |
 | 541,952 | Jul. 02, 1895 | B.J. Spilker | Miter chopper |
| | 544,569 | Aug. 13, 1895 | H. Dreses | Metal Shaping Machine |
 | 595,354 | Dec. 14, 1897 | B.J. Spilker | Mixer |
 | 629,899 | Aug. 01, 1899 | J.H. Flynn | Guide-pulley |
 | 655,482 | Aug. 07, 1900 | C.E. Francis | Glue-spreader |
 | 682,810 | Sep. 17, 1901 | L.F. Parks | Gaining cutter-head |
 | 712,537 | Nov. 04, 1902 | C.S. Hisey | Electric grinding device |
 | 754,547 | Mar. 15, 1904 | J. Desmond | Throttle-Valve |
 | 755,542 | Mar. 22, 1904 | A.B. Probasco | Splicing-Tool |
 | 775,372 | Nov. 22, 1904 | G. Langen | Counter-shaft with changeable speed |
