Invention Grant
- Patent Title: Prepayment-meter.
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Application No.: US1899733340Application Date: 1899-10-12
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Publication No.: US667069APublication Date: 1901-01-29
- Inventor: COX FRANK P
- Applicant: GEN ELECTRIC
- Assignee: Gen Electric
- Current Assignee: Gen Electric
- Priority: US1899733340 1899-10-12
Information query
