4. Metal working
  5. Method of mechanical manufacture
  6. Heat exchanger or boiler making

Charles E. Hall

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Capacity modular plug

Electrical connectors – Contact comprising cutter – Insulation cutter
Patent

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Container lid with bag securing apron

Receptacles – Receptacle having flexible – removable inner liner – Receptacle for food or beverage
Patent

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Electronic security system

Communications: electrical – Continuously variable indicating – With meter reading
Patent

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Electronic security system with novel electronic T-handle lock

Communications: electrical – Continuously variable indicating – With meter reading
Patent

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High security post lock

Locks – Portable – Padlocks
Patent

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Profile ID: LFUS-PAI-P-245450

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