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Railway bed

Railways: surface track – Ties – Nonmetallic
Patent

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Railway track hold-down hardware

Railways: surface track – Ties – Nonmetallic
Patent

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Recycled rubber railroad crossties

Railways: surface track – Ties – Nonmetallic
Reexamination Certificate

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Reinforced concrete tie with embedded rail clamp means

Railways: surface track – Ties – Nonmetallic
Patent

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Reinforced molded lignocellulosic crosstie and railway assembly

Railways: surface track – Ties – Nonmetallic
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Sleeper

Railways: surface track – Ties – Nonmetallic
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Structural members comprised of composite wood material and havi

Railways: surface track – Ties – Nonmetallic
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Structural members fabricated from waste materials and...

Railways: surface track – Ties – Nonmetallic
Reexamination Certificate

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Synthetic railroad crosstie

Railways: surface track – Ties – Nonmetallic
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Synthetic railroad tie

Railways: surface track – Ties – Nonmetallic
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Thermoplastic railroad tie

Railways: surface track – Ties – Nonmetallic
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Tire tread railroad tie

Railways: surface track – Ties – Nonmetallic
Reexamination Certificate

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