Invention Grant
- Patent Title: Surface propelling system
- Patent Title (中): 表面推进系统
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Application No.: US26197663Application Date: 1963-03-01
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Publication No.: US3209719APublication Date: 1965-10-05
- Inventor: CHRISTOPHER EUGENE J
- Applicant: CHRISTOPHER EUGENE J
- Assignee: Eugene J Christopher
- Current Assignee: Eugene J Christopher
- Priority: US26197663 1963-03-01
- Main IPC: B63H19/00
- IPC: B63H19/00
Information query
