Invention Grant
- Patent Title: Duplicating apparatus
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Application No.: US35498140Application Date: 1940-08-31
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Publication No.: US2262511APublication Date: 1941-11-11
- Inventor: MORRISON ROBERT F
- Applicant: DITTO INC
- Assignee: Ditto Inc
- Current Assignee: Ditto Inc
- Priority: US35498140 1940-08-31
- Main IPC: B41L5/06
- IPC: B41L5/06
Information query