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US Patent: 1,688,320
Mixing Device for Oil Gas Apparatus
Alvin J. Bassett - Milwaukee, WI

USPTO Classifications:
184/55.2, 239/416, 239/416.4, 239/417, 451/75

Tool Categories:
propulsion and energy : oil gas apparatus

Bruce-Macbeth Engine Co. - Cleveland, OH

Not known to have been produced

none listed

Patent Dates:
Applied: Nov. 12, 1925
Granted: Oct. 23, 1928

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Bruce-Macbeth Engine Co.

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