Invention Grant
- Patent Title: Two-cycle multicylinder internal-combustion engine
- Patent Title (中): 双循环多缸内燃机
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Application No.: US48668121Application Date: 1921-07-22
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Publication No.: US1559997APublication Date: 1925-11-03
- Inventor: SHEPHERD FRANK D
- Applicant: SHEPHERD FRANK D
- Assignee: Frank D Shepherd
- Current Assignee: Frank D Shepherd
- Priority: US48668121 1921-07-22
- Main IPC: F02B25/00
- IPC: F02B25/00
Information query
