4. Closure fasteners
  5. Keepers

William J. Hamilton

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Balanced latch bolt keeper support system

Closure fasteners – Keepers
Patent

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Controller for signalling system

Communications: electrical – Systems – Audible signals
Patent

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Latch bolt accessory

Closure fasteners – Bolt guards
Patent

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Lubricating oil compositions used in metal forming operations

Metal working – Method of mechanical manufacture – Assembling or joining
Patent

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Non-destructive door frame tester

Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent

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Profile ID: LFUS-PAI-P-243931

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