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ES127651A1
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Improvements in the apparatus for breathing, used in the rescue of underwater crews and for other analogous applications.
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GB128309A
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Improvements in or connected with Breathing Apparatus.
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GB123579A
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Improvements in Breathing Masks.
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GB121657A
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An Improved Dress for Airmen.
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GB120102A
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Improvements in or relating to Means for Establishing Communication with Sunken Submarine Vessels.
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GB115748A
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Improvements in or connected with Diving Dresses.
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GB117928A
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Improvements in Sub-aqueous Optical Observing-instruments.
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GB117841A
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Improvements in or connected with Cameras for Photographing Sub-aqueous Objects.
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GB126727A
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Apparatus for use in Testing Breathing Appliances and for other purposes.
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GB111000A
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Improvements in Breathing Apparatus.
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GB109893A
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Improvements in Diving Dresses.
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GB109704A
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Improvements in Diving-dresses.
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GB109703A
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Improvements in Diving Dresses.
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GB108588A
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Improvements in or in connection with Divers' Weights.
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GB105510A
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Apparatus for Facilitating Breathing in a Noxious Atmosphere.
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GB109678A
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Improvements in Diving Dresses.
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GB103955A
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Improvements in or in connection with Hermetically Closed Lamps.
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GB103780A
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Improvements in Self-contained Breathing Apparatus.
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GB112788A
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Improvements in Air Supply and Respiratory Apparatus in Diving and like Apparatus.
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GB104110A
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Improvements in Diving Dresses.
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