4. Baths, closets, sinks, and spittoons
  5. Drain, overflow or trap for a sink or bath

Shamrock Research & Development, Inc.

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Apparatus for controlling the ascent and descent of pipe in...

Wells – Above ground apparatus – With means facilitating connecting or disconnecting...
Reexamination Certificate

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Energy efficient water sprinkler

Fluid sprinkling – spraying – and diffusing – Distributor continuously moves relative to support during... – Spray fluid motor drive means
Reexamination Certificate

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Method and apparatus for cleaning a conduit

Baths – closets – sinks – and spittoons – Drain – overflow or trap for a sink or bath
Reexamination Certificate

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Method for retrofitting a downhole drill string with a flow...

Wells – Processes – Assembling well part
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