US Patent: 159,882
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Improvement in spirit levels
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Patentee:
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Edwin L. Barnes (exact or similar names) - Boston, MA |
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Patent Dates:
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Applied: |
Aug. 03, 1874 |
Granted: |
Feb. 16, 1875 |
Patent Pictures:
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USPTO (New site tip) Google Patents
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Russ Allen
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Description: |
Patrick Leach had one of these on a tool list of his. He said it is stamped with the wrong patent date of September 20, 1874, a date on which no patents were issued. |
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