US Patent: 1,048,380
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Wrench
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Patentees:
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Carl G. Youngquist (exact or similar names) - San Francisco, CA |
Carl F. Youngquist (exact or similar names) - San Francisco, CA |
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Patent Dates:
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Applied: |
Feb. 10, 1911 |
Granted: |
Dec. 24, 1912 |
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Stan Schulz
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Description: |
Munn & Co.- patent attorneys
Our invention relates to wrenches and it has for its object to provide one with jaw members which are movable relatively to their supporting heads to assist in obtaining a firm hold on a pipe, resilient means being provided for holding the jaw members yieldingly in position relatively to the supporting heads.
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