Invention Grant
- Patent Title: Waterproof bag.
- Patent Title (中): 防水袋
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Application No.: US1912706471Application Date: 1912-06-28
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Publication No.: US1038351APublication Date: 1912-09-10
- Inventor: GRAHAM WILLIAM J
- Applicant: GRAHAM WILLIAM J
- Assignee: William J Graham
- Current Assignee: William J Graham
- Priority: US1912706471 1912-06-28
Information query
