Patent ID: 7963719

Claim:
An apparatus for applying a coating to a surface, said apparatus comprising: (a) a hopper assembly having a first compartment and a second compartment operably associated with said first compartment, said first compartment being configured to receive and store an aggregate, said second compartment being configured to receive and store a coating substance, said hopper assembly being further configured such that the aggregate does not mix with the coating substance when the aggregate and the coating substance are stored in said first compartment and said second compartment, respectively; and, (b) means for simultaneously dispensing the aggregate and the coating substance from said first compartment and said second compartment so that at least a portion of the aggregate stored in said first compartment mixes with the coating substance after the aggregate and the coating substance are dispensed from said first compartment and said second compartment, respectively and, (c) wherein said means for simultaneously dispensing includes a first pressurized air gun operably associated with said first compartment and a second pressurized air gun operably associated with said second compartment.