4. Adhesive bonding and miscellaneous chemical manufacture
  5. Differential fluid etching apparatus
  6. With microwave gas energizing means

Richard Yang

Inventor

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Easy refuelling metal-gas cell battery with soft pocket

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

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Flashlight

Lighting – Light fixture – Hand-held – body-attached or lantern type
Design Patent

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Flashlight

Lighting – Light fixture – Hand-held – body-attached or lantern type
Design Patent

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Method and apparatus for improving etch and deposition uniformit

Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – With microwave gas energizing means
Patent

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Profile ID: LFUS-PAI-P-1391953

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