Invention Grant
- Patent Title: Lubricator
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Application No.: US45764854Application Date: 1954-09-22
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Publication No.: US2797984APublication Date: 1957-07-02
- Inventor: ARTHUR SMITH FRED E
- Applicant: COWLES CHEM CO
- Assignee: Cowles Chem Co
- Current Assignee: Cowles Chem Co
- Priority: US45764854 1954-09-22
- Main IPC: F16N15/00
- IPC: F16N15/00
Information query
