4. Metal fusion bonding
  5. Including means to provide heat by friction between...

George D. Hempstead

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Apparatus and method for friction stir welding utilizing a...

Metal fusion bonding – Including means to provide heat by friction between...
Reexamination Certificate

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Tools for manufacturing composite parts and methods for...

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Reexamination Certificate

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