US Patent: 553,878
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Valve-motion for pumps
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Patentee:
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John Stumpf (exact or similar names) - Charlottenburg, Germany |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Feb. 16, 1893 |
Granted: |
Feb. 04, 1896 |
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Jeff Joslin
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Description: |
This patent was preceded by number European patents; see the patent specification for a list. |
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