Invention Grant
- Patent Title: Manifold
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Application No.: US50131421Application Date: 1921-09-17
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Publication No.: US1636721APublication Date: 1927-07-26
- Inventor: SWAN JOHN W
- Applicant: SWAN JOHN W
- Assignee: John W Swan
- Current Assignee: John W Swan
- Priority: US50131421 1921-09-17
- Main IPC: F02M31/087
- IPC: F02M31/087 ; F02M35/10 ; F02M63/00
Information query
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