GB Patent: GB-189,106,878
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| Wrenches
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Patentee:
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| Daniel R. Porter (exact or similar names) - Chelsea, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Apr. 21, 1891 |
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Patent Pictures:
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Daniel R. Porter patent registered April 21, 1891 - edited from "Abridgments of Specifications" |
Espacenet patent
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Stan Schulz
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Description: |
| Wrench adjustment structure patent corresponding to U.S. patent 450,681 granted April 21, 1891. F. M. Bardwell has not been identified.
Note: Early British patents (pre 1916) were numbered by the year and started at patent #1 at the start of each year in January. The patent # used in DATAMP represents the year of registration and the patent # (with "leading zeros" interposed to make the number total nine digits). This patent is #6,878 of the year 1891. |
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