US Patent: 532,469
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| Lubricator
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Patentee:
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| John E. Lonergan (exact or similar names) - Philadelphia, PA |
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Patent Dates:
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| Applied: |
May 18, 1894 |
| Granted: |
Jan. 15, 1895 |
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Jeff Joslin
Vintage Machinery entry for J. E. Lonergan Co.
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Description: |
| The J. E. Lonergan Co. began making lubricators since 1872 and survived into the 1980s. Their early products were intended for lubricating rail cars; they later added to their lineup small lubricators, pressure valves, steam whistles and safety valves. |
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