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

Howard Ng

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Controller for a coin telephone set

Patent

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Fraud prevention in an electronic coin telephone set

Telephonic communications – With check operated control – At central office
Patent

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Fraud prevention in an electronic coin telephone set

Telephonic communications – With check operated control – Fraud or interference prevention
Patent

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Gas distribution system

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

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HVAC communication system

Automatic temperature and humidity regulation – Distance-adjusted
Reexamination Certificate

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Profile ID: LFUS-PAI-P-822061

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