US Patent: 857,891
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Plum-Level
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Patentee:
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Frank M. McLeroy (exact or similar names) - Gainesville, GA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jun. 18, 1906 |
Granted: |
Jun. 25, 1907 |
USPTO (New site tip) Google Patents
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Ralph Brendler
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Description: |
This level features a series of batteries that drives a small bulb to allow the level vials to be read in dark places. |
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