US Patent: 1,004,792
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| Pipe Wrench
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Patentee:
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| William Louis Bessolo (exact or similar names) - Denver, CO |
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Patent Dates:
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| Applied: |
Oct. 29, 1910 |
| Granted: |
Oct. 03, 1911 |
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Patent Pictures:
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W. L. Bessolo patent October 3, 1911 |
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Stan Schulz
San Diego Specialty Works "SURE GRIP" Wrench
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Description: |
| The action combines features of a ratchet and a chain wrench. Known examples made of metal stampings. Bessolo's financial shenanigans involving his early wrench patents were noted in a February/March 1980 American Heritage article.
The markings on the tools may be only loosely related to the patents they reflect. The wrench matching this patent can be found with a variety of markings includes dates and numbers from later Bessolo patents -- 1,008,939, 1,037,109, 1,086,127, 1,158,164, 1,318,047.
A 1913 American Machinist article describes the manufacturing process used for this wrench comprised of stamped parts.
A. J. O'Brien-patent attorney |
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