Invention Grant
- Patent Title: Valve stem
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Application No.: US72099234Application Date: 1934-04-17
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Publication No.: US2078063APublication Date: 1937-04-20
- Inventor: CROWLEY JOHN C
- Applicant: DILL MFG CO
- Assignee: Dill Mfg Co
- Current Assignee: Dill Mfg Co
- Priority: US72099234 1934-04-17
- Main IPC: B60C29/00
- IPC: B60C29/00
Information query
