4. Metal working
  5. Method of mechanical manufacture
  6. Electrical device making

Richard A. Koepke

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Duplex glass preforms for hermetic glass-to-metal compression se

Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Patent

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Duplex glass preforms for hermetic glass-to-metal sealing

Stock material or miscellaneous articles – Composite – Of quartz or glass
Patent

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Method for fabricating a fold-up frame

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Multi-path feed-thru lead and method for formation thereof

Electrical connectors – Contact terminal – Having treated surface or distinct contact surface layer
Patent

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Profile ID: LFUS-PAI-P-33221

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