US PATENT SUBCLASS 48 / *
.~ Generators

Current as of: June, 1999
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48 /   HD   GAS: HEATING AND ILLUMINATING

*  DD  ACETYLENE {5}
*.~ Generators {5}
4  DF  .~.~> Water feed {15}
38  DF  .~.~> Carbide feed {11}
58  DF  .~.~> Valves, gas and water feed
56  DF  .~.~> Automatic safety escape
57  DF  .~.~> Sludge remover