4. Cutting by use of rotating axially moving tool
  5. Machine including plural tools
  6. Plural, simultaneously operational tools

Shigeo Wakamatsu

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Drilling machine

Cutting by use of rotating axially moving tool – Machine including plural tools – Plural – simultaneously operational tools
Patent

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Gasket for fuel cell

Seal for a joint or juncture – Seal between fixed parts or static contact against... – Contact seal for other than internal combustion engine – or...
Reexamination Certificate

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Gasket for fuel cell and method of forming it

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

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Gasket for layer-built fuel cells and method for making the...

Stock material or miscellaneous articles – Circular sheet or circular blank – Ornamental – decorative – pattern – or indicia
Reexamination Certificate

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Method of making a gasket for layer-built fuel cells

Plastic and nonmetallic article shaping or treating: processes – Vacuum treatment of work – To degas or prevent gas entrapment
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1358397

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