Invention Grant
- Patent Title: Device for testing coins
- Patent Title (中): 硬币测试装置
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Application No.: US40659241Application Date: 1941-08-13
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Publication No.: US2390147APublication Date: 1945-12-04
- Inventor: WILLIAM HATTON
- Applicant: INT STANDARD ELECTRIC CORP
- Assignee: Int Standard Electric Corp
- Current Assignee: Int Standard Electric Corp
- Priority: US40659241 1941-08-13
- Main IPC: G07D7/00
- IPC: G07D7/00 ; H04M17/00 ; H04M17/02
Information query
