US Patent: 756,628
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| Level, Plumb, and Inclinometer
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Patentee:
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| John Happle (exact or similar names) - Cleveland, NY |
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Patent Dates:
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| Applied: |
Oct. 23, 1903 |
| Granted: |
Apr. 05, 1904 |
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Patent Pictures:
[
1 | 2 | 3 | 4
]
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USPTO (New site tip) Google Patents
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Russ Allen.
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Description: |
| Known example (pic 2) is marked "Patented" and has a Mahogany body.
Known example (pic 3)is marked with the patent date. |
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