Invention Grant
- Patent Title: Means for line printing
- Patent Title (中): 线印的手段
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Application No.: US50540755Application Date: 1955-05-02
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Publication No.: US2999453APublication Date: 1961-09-12
- Inventor: ROBERTS JOHN R
- Applicant: DITTO INC
- Assignee: Ditto Inc
- Current Assignee: Ditto Inc
- Priority: US50540755 1955-05-02; US9394149 1949-05-18
- Main IPC: B41L11/00
- IPC: B41L11/00
Information query
