Invention Grant
- Patent Title: Interlocking engagement for a plastic blank
- Patent Title (中): 塑料坯料的联锁配合
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Application No.: US80468659Application Date: 1959-04-07
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Publication No.: US3019957APublication Date: 1962-02-06
- Inventor: PALMER CHARLES E
- Applicant: PALMER CHARLES E
- Assignee: Charles E Palmer
- Current Assignee: Charles E Palmer
- Priority: US80468659 1959-04-07
- Main IPC: B65D5/18
- IPC: B65D5/18 ; B65D6/18
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