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| Patents for Nazel Engineering & Machine Works | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 683,374 | Sep. 24, 1901 | J. Bêché | Pneumatic hammer | |
 | 788,876 | May 02, 1905 | J. Bêché | Pneumatic hammer | |
 | 1,082,580 | Dec. 30, 1913 | R.E. Bates | Fluid-power hammer | |
 | 1,084,707 | Jan. 20, 1914 | J. Nazel, R.E. Bates | Fluid-power hammer | |
 | 1,268,231 | Jun. 04, 1918 | E.J. Fritsch, R.W. Nazel | Fluid-power hammer | |
 | 1,268,270 | Jun. 04, 1918 | R.W. Nazel | Fluid-power hammer | |
 | 1,429,421 | Sep. 19, 1922 | E.J. Fritsch, R.W. Nazel | Fluid-power hammer | |