4. Abrading
  5. Carrier for relatively movable simultaneously usable tools
  6. For radially movable tools

Karl F. Barr, Jr.

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Air supply pressure setpoint determination for a fuel cell...

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate

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Block-mounted piston squirter

Internal-combustion engines – Cooling – Internal cooling of moving parts; e.g. – hollow valves,...
Reexamination Certificate

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Compact two-step rocker arm assembly

Internal-combustion engines – Poppet valve operating mechanism – Rocker
Reexamination Certificate

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Controlled air injection for a fuel cell system

Chemistry: electrical current producing apparatus – product – and – Having magnetic field feature
Reexamination Certificate

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Controlled air injection for a fuel cell system

Chemistry: electrical current producing apparatus – product – and – Having magnetic field feature
Reexamination Certificate

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