US Patent: 1,286,398
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| Oiling Device
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Patentee:
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| David W. Onan (exact or similar names) - Minneapolis, MN |
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Patent Dates:
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| Applied: |
Sep. 21, 1916 |
| Granted: |
Dec. 03, 1918 |
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Patent Pictures:
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1 | 2
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David W. Onan patent Dec. 3, 1918 |
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Stan Schulz
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Description: |
| The handle structure screws to adjust the size; the lever advances the internal wedge to spread the springs. The patent includes a lubricant reservoir and pump which were not included in the tool as produced. |
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