4. Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
  5. Sash balances
  6. Spring

Tracy G. Rogers

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Compound counterbalance and winding systems with zero torque spi

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Sash balances
Patent

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Constant force compensation for power spring weight balance

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Sash balances – Spring
Patent

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Fail-safe tip-lock shoe

Movable or removable closures – With safety brake or catch
Patent

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Retaining catch for tip-out sash

Movable or removable closures – Mounted for optional movements – Pivoted closure within framework of double hung sash
Patent

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Profile ID: LFUS-PAI-P-437498

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