4. Electric resistance heating devices
  5. Heating devices
  6. Vaporizer

David S. Bollinger

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Anhydrous ammonia gas sampler and concentration system

Measuring and testing – Sampler – sample handling – etc. – With heating or cooling
Patent

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Dynamic vacuum evaporation system

Electric resistance heating devices – Heating devices – Vaporizer
Patent

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Methods of sampling halosilanes for metal analytes

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Reexamination Certificate

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Profile ID: LFUS-PAI-P-588029

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