Invention Grant
- Patent Title: Safety inner tube for pneumatic tires
- Patent Title (中): 充气轮胎安全内胎
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Application No.: US57781745Application Date: 1945-02-14
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Publication No.: US2510974APublication Date: 1950-06-13
- Inventor: ANNA HAINLEN
- Applicant: ANNA HAINLEN
- Assignee: Hainlen Anna
- Current Assignee: Hainlen Anna
- Priority: US57781745 1945-02-14
- Main IPC: B60C5/20
- IPC: B60C5/20
Information query
