Invention Grant
- Patent Title: Externally-expanded piston
- Patent Title (中): 外扩活塞
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Application No.: US18084227Application Date: 1927-04-04
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Publication No.: US1764458APublication Date: 1930-06-17
- Inventor: ANDY MCLEAN
- Applicant: ANDY MCLEAN
- Assignee: Mclean Andy
- Current Assignee: Mclean Andy
- Priority: US18084227 1927-04-04
- Main IPC: F04B53/14
- IPC: F04B53/14
Public/Granted literature
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