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| Number | Title | Issue Date |
| 3944187 | Roadway impact attenuator A roadway impact attenuator adapted to be installed between lanes on a highway or in advance of a barrier on the highway includes a number of substantially identical units each of which has a framework slidably resting on the ground or pavement, and space... | 03/16/1976 |
| 3938668 | Guiderail system for storage racks A guiderail system for floor-mounted storage racks which is located generally adjacent the access aisles. Tubular guiderails are supported by brackets which include a pair of sockets extending in opposite horizontal directions which sockets are proportion... | 02/17/1976 |
| 3936035 | Sound damping curtain wall A sound damping curtain wall is disclosed having a plurality of generally parallel tubular damping elements arranged in side by side fashion. Each damping element is fabricated from thin flexible material and may include longitudinally extending corrugati... | 02/03/1976 |
| 3934540 | Barrier A barrier for use as a breakwater or highway safety divider having a reinforced concrete base in which are embedded a plurality of tires extending outwardly of said base and means for joining a plurality of said bases in line.... | 01/27/1976 |
