Invention Grant
- Patent Title: Well-pumping apparatus
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Application No.: US16628427Application Date: 1927-02-07
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Publication No.: US1649454APublication Date: 1927-11-15
- Inventor: JOHN FITZPATRICK
- Applicant: TEXAS CO
- Assignee: Texas Co
- Current Assignee: Texas Co
- Priority: US16628427 1927-02-07
- Main IPC: E21B43/12
- IPC: E21B43/12
Public/Granted literature
- US11650209B2 Fc-gamma receptor mutants Public/Granted day:2023-05-16
Information query
