US2079077A
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Method of producing nipples
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US1913165A
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Air relief valve
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US1664692A
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Coupling for battery terminals
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US1578606A
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Humidifier for internal-combustion engines
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US1098275A
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Thermostatic trap or valve.
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US1102768A
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Steam, air, and water trap valve.
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US1089929A
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Thermostatic member for air-valves for radiators.
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US1075294A
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Air-valve for radiators.
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US1049243A
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Air-valve for radiators.
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US1042012A
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Air-valve for radiators.
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US1062407A
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Air-valve for radiators.
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US1008279A
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Air-valve.
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US1031653A
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Steam, air, and water trap valve.
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US1042011A
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Steam, air, and water trap valve.
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US1037157A
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Steam, air, and water trap valve.
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US960972A
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Steam, air, and water trap valve.
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US954815A
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Air and water discharge valve for radiators.
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US953629A
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Air and water discharge valve for radiators.
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US946970A
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Steam, air, and water trap valve.
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US994848A
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Name-register.
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