4. Static structures (e.g., buildings)
  5. Cupola or skylight

Robert Lyons, Sr.

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Counterbalanced door assembly with reduced initial closing force

Movable or removable closures – With means mounting closure for swinging – With biasing means
Patent

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Roofing mechanism

Static structures (e.g. – buildings) – Cupola or skylight
Patent

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Torque rod operated counterbalancing hinge and door assembly

Movable or removable closures – With means mounting closure for swinging – With biasing means
Patent

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Profile ID: LFUS-PAI-P-1278279

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