4. Internal-combustion engines
  5. Valve
  6. Reciprocating valve

Law Offices of Royal W Craig

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Automatic, pressure responsive air intake valve for internal...

Internal-combustion engines – Valve – Reciprocating valve
Reexamination Certificate

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Soap-dispensing brush handle/body

Baths – closets – sinks – and spittoons – Dry closets – Automobile
Design Patent

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