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| Patents Granted on 1938-05-03 | |||||
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| Number | Date | Patentee | Title | Type | |
| D109,498 | May 03, 1938 | E.M. Pfauser | Jack | ||
| D109,499 | May 03, 1938 | E.M. Pfauser | Jack | ||
| 2,116,122 | May 03, 1938 | W.F. Ocenasek | Machine tool | ||
| 2,116,123 | May 03, 1938 | W.F. Ocenasek | Jigsaw | scrollsaws | |
| 2,116,262 | May 03, 1938 | B. Granberg, J.B. Sinderson | Attachment for machine tools | ||
| 2,116,272 | May 03, 1938 | A.W. Mall | Abrasive wheel | ||
| 2,116,491 | May 03, 1938 | A.W. Mall | Angle grinding spindle | ||