4. Movable or removable closures
  5. Threshold
  6. Adjustable

J. Charles Headrick

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Astragal with integral sealing lock block

Movable or removable closures – Bipartite – center opening – Overlapping meeting edges
Patent

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Combined door sill and threshold

Building units and construction elements – Prefabricated unit – Closure
Patent

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Combined handicap door sill and threshold

Building units and construction elements – Prefabricated unit – Closure
Patent

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Continuous sidelight sill with adaptable threshold caps

Movable or removable closures – Threshold – Adjustable
Patent

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Continuous sidelight sill with adaptable threshold caps and remo

Movable or removable closures – Threshold – Adjustable
Patent

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Profile ID: LFUS-PAI-P-479835

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