Invention Grant
- Patent Title: Kaleidoscopic device
- Patent Title (中): 万花筒装置
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Application No.: US80719159Application Date: 1959-04-17
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Publication No.: US3020796APublication Date: 1962-02-13
- Inventor: CUDEK KAPLAN
- Applicant: CUDEK KAPLAN
- Assignee: Kaplan Cudek
- Current Assignee: Kaplan Cudek
- Priority: US80719159 1959-04-17
- Main IPC: G02B27/08
- IPC: G02B27/08
Information query
