An integrally coated railroad crosstie and manufacturing...
An interchangable scraper and shovel
Anchor assembly for highway guardrail end terminal
Anchor lock rail fastening assembly
Anchor spreader
Anchor spreader
Anchor spreader apparatus and method
Anchorages for track rails
Anchored safety barrier
Anchoring a railway rail-fastening clip to a foundation for...
Anchoring devices for rail fastening clips
Anchoring of outdoor traffic areas provided with...
Anchoring, splicing and tensioning elongated reinforcement...
Angle guide plate and system for securing a rail
Angular guide plate and system for fastening rails for rail...
Angular paving stone for paving areas
Animal chute for vehicles
Animal control gate for culverts and the like
Animal feces collecting device
Animal feces pick-up device