Masonry reinforcement system

Masonry supporting device

Masonry tool

Mast lift and mast lift system

Mat ramp securement and method

Materials and methods for lining a chimney

Means and techniques useful in prestressing concrete structures

Means and techniques useful in prestressing concrete structures

Means for laying brick

Means for use in the casting of concrete slabs

Mechanical arm with spring counterbalance

Mechanical rope grab

Mechanized forms

Metal forms for insulated foundations

Metallic concrete mold element

Method and a system for the erection of high buildings

Method and adjustable apparatus for anchor-free masonry wall...

Method and an apparatus for suspending scaffolding from a...

Method and apparatus for applying bands to a roof

Method and apparatus for applying mortar or concrete