2-stage underreamer
20,20-ethylene-21-oxo-steroids
3-d construction modules
3-d. walls furniture
3d door hinge
4-d probe for making geophysical measurements
45 degree block
5-hydroperoxy-5-aryl-2,3-dihydro-5h-imidazo (2,1-) iso-indoles
A back-water trap for a floor drain system
A balance control system for a movable barrier operator
A ballast grading machine
A bar connector assembly
A barricade system and barricade bracket for use therein
A barrier
A barrier
A base for a playing field
A beam
A beam anchoring device
A beam assembly in a tarpaulin handling machine
A bearing plate assembly