Invention Grant
- Patent Title: Piston
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Application No.: US30832739Application Date: 1939-12-09
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Publication No.: US2297649APublication Date: 1942-09-29
- Inventor: SHEARMAN DONALDSON JOHN
- Applicant: DONALDSON PISTON CORP
- Assignee: Donaldson Piston Corp
- Current Assignee: Donaldson Piston Corp
- Priority: US30832739 1939-12-09
- Main IPC: F16J1/16
- IPC: F16J1/16
Information query
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