Invention Grant
- Patent Title: Reaction propulsion toy
- Patent Title (中): 反应推进玩具
-
Application No.: US69640857Application Date: 1957-11-14
-
Publication No.: US2918751APublication Date: 1959-12-29
- Inventor: JOHNSON ROBERT J
- Applicant: SCIENT PRODUCTS COMPANY
- Assignee: Scient Products Company
- Current Assignee: Scient Products Company
- Priority: US69640857 1957-11-14
- Main IPC: A63H27/00
- IPC: A63H27/00 ; F42B4/06 ; F42B8/24
Information query
