Invention Grant
- Patent Title: Sleeve type piston rod
- Patent Title (中): 套筒式活塞杆
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Application No.: US36418940Application Date: 1940-11-04
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Publication No.: US2274927APublication Date: 1942-03-03
- Inventor: LANKFORD FRANCIS M
- Applicant: LANKFORD FRANCIS M
- Assignee: Francis M Lankford
- Current Assignee: Francis M Lankford
- Priority: US36418940 1940-11-04
- Main IPC: F16J7/00
- IPC: F16J7/00
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