US Patent: 461,161
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Rotary Steam Engine
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Patentees:
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Frederick Meyer (exact or similar names) - Englewood, Cook County, IL |
Joseph S. Kiehl (exact or similar names) - Chicago, Cook County, IL |
Alexander Grant (exact or similar names) - Riverdale, Cook County, IL |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 06, 1889 |
Granted: |
Oct. 13, 1891 |
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Joel Havens "Vintage Machinery" entry for Duplex Rotary Engine Co.
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Description: |
Application renewed, 16 Mar. 1891. |
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