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Karl Marx
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| Number | Title | Issue Date |
| 4199268 | Food processor The invention relates to an improved, novel method and time saving food processor and process, easily assembled and cleaned, and safely operably for whipping egg whites, or cream, and making butter, in seconds, in which two elements define two flat surfac... | 04/22/1980 |
| 4074162 | Brush spring assembly A brush spring and brush housing construction affording maximum operable brush wear without the danger of the brush spring contacting the commutator even if the brush might drop out of the housing. A hook on the brush end of the spring moves against an in... | 02/14/1978 |