Invention Grant
- Patent Title: Barrel printing apparatus
- Patent Title (中): 桶式打印机
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Application No.: US39021453Application Date: 1953-11-04
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Publication No.: US2819670APublication Date: 1958-01-14
- Inventor: NEWCOMB BENJAMIN R , STEMPEL LASZLO M
- Applicant: JOHN WALDRON CORP
- Assignee: John Waldron Corp
- Current Assignee: John Waldron Corp
- Priority: US39021453 1953-11-04
- Main IPC: B41F17/22
- IPC: B41F17/22
Information query
