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| Patents for Edward Sobolewski | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,733,086 | Oct. 22, 1929 | E. Sobolewski | Centerless Grinder | ||
| 1,954,771 | Apr. 10, 1934 | E. Sobolewski | Truing Apparatus | ||
| 1,987,978 | Jan. 15, 1935 | E. Sobolewski | Back gear interlock | ||
| 1,987,979 | Jan. 15, 1935 | E. Sobolewski | Safety power traverse for radial drill heads | ||