Invention Grant
- Patent Title: Prepayment-meter.
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Application No.: US1897638242Application Date: 1897-05-26
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Publication No.: US859284APublication Date: 1907-07-09
- Inventor: COX FRANK P , BALL AUGUSTUS A
- Applicant: GEN ELECTRIC
- Assignee: Gen Electric
- Current Assignee: Gen Electric
- Priority: US1897638242 1897-05-26
Information query
