Invention Grant
- Patent Title: Threading-die.
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Application No.: US1902321503Application Date: 1902-09-12
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Publication No.: US830736APublication Date: 1906-09-11
- Inventor: PEARSON WALTER B
- Applicant: STANDARD SCREW
- Assignee: Standard Screw
- Current Assignee: Standard Screw
- Priority: US1902321503 1902-09-12
Information query
