GB191028613A
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Improvements in Electric Current Regulators.
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GB190805502A
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Improvements in or connected with the Generation of Ozone.
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GB190511688A
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Improvements in Phonographs and the like.
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GB190506188A
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Improvements in or connected with Phonographs, and the like.
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GB190406655A
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Improvements in Phonographs and the like.
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US672829A
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Lighting and heating apparatus.
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GB189900394A
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Improved Apparatus for Burning Inflammable Fluids.
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GB189826628A
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Improvements in Acetylene Generating Apparatus.
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GB189819149A
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Improvements in Acetylene Generators.
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GB189802174A
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Improvements in Acetylene Generating Apparatus.
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US1031708A
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Electric-current regulator.
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