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| Number | Title | Issue Date |
| 5967728 | Precision placement storage and retrieval system A rail system and transfer vehicle for a storage retrieval system. The rails are fabricated to include a vehicle support surface that supports a transfer vehicle, a load support surface that supports the skid, tote, vessel, or pallet to be stored, a spaci... | 10/19/1999 |
| 4657181 | Rail for a track bound vehicle A rail for a track-bound vehicle comprising a number of lateral flanges, which can cooperate with a substructure, the flanges extending in an outwards direction from an essentially vertically arranged web provided with a foot, and a portion of a runway ra... | 04/14/1987 |
| 4139154 | Rail for center-flange wheels The present invention relates to a rail intended to constitute a tread for heavy duty rolling stock, such as gantry cranes, mounted on wheels or rollers and concerns more specifically a guide rail on which both center-flange wheels or rollers, and lateral... | 02/13/1979 |
