Invention Grant
- Patent Title: Apparatus for hardening rolls
- Patent Title (中): 硬化辊装置
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Application No.: US156448Application Date: 1948-01-10
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Publication No.: US2589495APublication Date: 1952-03-18
- Inventor: HESS FREDERIC O , JAMES KNIVETON
- Applicant: SELAS CORP OF AMERICA
- Assignee: Selas Corp Of America
- Current Assignee: Selas Corp Of America
- Priority: US156448 1948-01-10
- Main IPC: C21D9/38
- IPC: C21D9/38
Public/Granted literature
- US5626147A Tympanic thermometer Public/Granted day:1997-05-06
Information query
