Invention Grant
- Patent Title: Flow indicator
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Application No.: US63457132Application Date: 1932-09-23
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Publication No.: US2004611APublication Date: 1935-06-11
- Inventor: KLEINFELDER WALTER C
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US63457132 1932-09-23
- Main IPC: G01M3/22
- IPC: G01M3/22 ; G01M3/28
Information query
