2001
Malarkey obtains patent for The Zone®, which tapers and widens the laminate shingle nailing strip to 13/4 inches (from the standard 3/8 to 1/2)
Malarkey obtains patent for The Zone®, which tapers and widens the laminate shingle nailing strip to 13/4 inches (from the standard 3/8 to 1/2)