US Patent: 642,473
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| Wrench
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Patentee:
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| James Alexander Montgomery (exact or similar names) - Brookwood, AL |
| USPTO Classifications: |
| 81/97 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 07, 1899 |
| Granted: |
Jan. 30, 1900 |
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Patent Pictures:
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James A. Montgomery patent January 30, 1900 |
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Stan Schulz
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Description: |
| Adjusting sleeve on the main bar; the movable jaw has a spring-tensioned rocking jaw pivoted from a sleeve enclosing the main shank. The threaded portion of the shank is covered by the movable jaw sleeve and adjusting sleeve through the entire range of motion. |
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