Invention Grant
- Patent Title: Premium-book.
- Patent Title (中): PREMIUM-BOOK
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Application No.: US1910549030Application Date: 1910-01-12
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Publication No.: US988552APublication Date: 1911-04-04
- Inventor: DAVIS HARRY E
- Applicant: DAVIS HARRY E
- Assignee: Harry E Davis
- Current Assignee: Harry E Davis
- Priority: US1910549030 1910-01-12
Information query
