44172 ⎘
Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
Sub-classes:Key duplication system
#2Method and infrastructure for the duplication of keys
#3Key duplication system
#4Key duplication system
#5System for identifying and duplicating master keys
#6Key duplication system
#7System for identifying and duplicating master keys
#8System for identifying and duplicating master keys
#9Road surface covering elements for a chassis dynamometer
#10Cutting tool assembly for HVAC vent opening and the like