Invention Grant
- Patent Title: Method of forming annular blanks to a predetermined cross sectional contour
- Patent Title (中): 将环形毛坯形成预定横截面轮廓的方法
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Application No.: US14950837Application Date: 1937-06-21
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Publication No.: US2200569APublication Date: 1940-05-14
- Inventor: WHITTEN OWEN M
- Applicant: KELSEY HAYES WHEEL CO
- Assignee: Kelsey Hayes Wheel Co
- Current Assignee: Kelsey Hayes Wheel Co
- Priority: US14950837 1937-06-21
- Main IPC: B21D53/30
- IPC: B21D53/30
Public/Granted literature
- US09608202B1 Provision of structural integrity in memory device Public/Granted day:2017-03-28
Information query
