Invention Grant
- Patent Title: Book carrier
- Patent Title (中): 书载体
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Application No.: US74887858Application Date: 1958-07-16
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Publication No.: US2983415APublication Date: 1961-05-09
- Inventor: COOLEY JOHN A
- Applicant: COOLEY JOHN A
- Assignee: John A Cooley
- Current Assignee: John A Cooley
- Priority: US74887858 1958-07-16
- Main IPC: A45F5/12
- IPC: A45F5/12
Information query
