Invention Grant
- Patent Title: Adjustable multiple drill
- Patent Title (中): 可调多钻
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Application No.: US18067037Application Date: 1937-12-20
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Publication No.: US2186294APublication Date: 1940-01-09
- Inventor: HANDLING ARTHUR I , DONALD MACKNIGHT JOHN
- Applicant: TEXAS CO
- Assignee: Texas Co
- Current Assignee: Texas Co
- Priority: US18067037 1937-12-20
- Main IPC: B23B39/16
- IPC: B23B39/16
Public/Granted literature
- US20230399110A1 APPARATUS AND METHOD FOR AIRFLOW MODIFICATION IN VEHICLES Public/Granted day:2023-12-14
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