| Patent No. | Patent Title: |
| 4457645 | Apparatus for breaking pavement |
| 4453856 | Self-propelled operating apparatus for the regeneration pavement |
| 4441761 | Mining machine |
| 4440520 | Ice aggregate road and method and apparatus for constructing same |
| 4439056 | Machine suitable for breaking concrete pavement in place |
| 4435107 | Traffic delineator |
| 4432119 | Electrically released seat belt buckle |
| 4431335 | Method of repairing potholes in road surfaces by filling them wit... |
| 4425051 | Restoring skid friction to worn pavement surfaces |
| 4423980 | Truck-mounted apparatus for repairing asphalt |
| 4423979 | Expansion joint sealing structures |
| 4422199 | Dockboard seal |
| 4422795 | Compactor |
| 4421440 | Process and apparatus for applying pile planking |
| 4421435 | Method and apparatus for applying a thin liquid film to a vibrato... |
| 4420277 | Mine roof driller-bolter apparatus and method |
| 4417828 | Erosion protection mat |
| 4413369 | Automatic device for lap-joint engagement of two bridge elements ... |
| 4412757 | Vibration machine for compacting materials, in particular an eart... |
| 4411037 | Automatic device for lap joint connection on the intrados or extr... |
| 4411553 | Retro-reflecting globules for road surface marking |
| 4411554 | Material spreader and bridge |
| 4411036 | Transportable bridge |
| 4410296 | Rock bolt overload warning device |
| 4407605 | Method and apparatus for repairing longitudinal seams or cracks i... |
| 4407611 | Anchored earth structure |
| 4407604 | Method and device for laying roadmaking material in a roadway |
| 4406563 | Protective barrier provided with at least one longitudinal side b... |
| 4403362 | Bulk loading facility having a drop way |
| 4403889 | Grade control alignment device and method |
| 4402629 | Resonantly driven pavement crusher |
| 4402100 | Lip counterbalancing mechanism for a dockboard |
| 4402627 | Runner to keep off snowplows |
| 4402628 | Pavement marker |
| 4401399 | Two part mine roof support unit |
| 4398843 | Self-aligning arrangement for the eccentric mounting shaft of a ... |
| 4398842 | Method of overlay and sandwich formation of pervious concrete |
| 4398315 | Yieldable and releasable lip lifting mechanism for a dockboard |
| 4397580 | Vibrating screed and curb/gutter forming apparatus and method |
| 4397590 | Method and apparatus for compacting backfill in trenches |
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