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The ornamental design for a roller cutter, as shown and described.
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The broken lines depict portions of the roller cutter in which the design is embodied that are not considered part of the claimed design.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 30 2020 | SHANGHAI GONG CO , LTD | FOURSTAR GROUP INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 052697 | /0571 | |
Apr 30 2020 | YAO, RONG | SHANGHAI GONG CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 052697 | /0758 | |
May 19 2020 | Fourstar Group Inc. | (assignment on the face of the patent) | / |
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