4. Closure fasteners
  5. Bolts
  6. Sliding

ZefTek, Inc.

Corporate Assignee

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Auto rack railroad car panel bumper guard

Freight accommodation on freight carrier – Load bearer accommodation – Cushioned accommodation
Reexamination Certificate

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Beam isolator

Railway rolling stock – Car framing and structure – Freight
Reexamination Certificate

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Beam isolator

Railway rolling stock – Car framing and structure – Freight
Reexamination Certificate

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Door lock for a railroad car

Closure fasteners – Bolts – Sliding
Reexamination Certificate

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Freight railroad car reflector

Transportation – Rail vehicle – Element or attachment
Design Patent

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