Invention Grant
- Patent Title: Filtering device.
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Application No.: US1899708355Application Date: 1899-03-09
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Publication No.: US636323APublication Date: 1899-11-07
- Inventor: DAVIS LEWIS K
- Applicant: GRACE P DAVIS , DAVIS LEWIS K
- Assignee: Grace P Davis,Lewis K Davis
- Current Assignee: Grace P Davis,Lewis K Davis
- Priority: US1899708355 1899-03-09
Information query
