3700: Mechanical Engineering, Manufacturing, Gaming, and Medical Devices/Processes

• 3710 Amusement and Education Devices
• 3720 Manufacturing Devices & Processes, Machine Tools & Hand Tools
• 3730 Sheet Container Making, Package Making, Receptacles, Shoes, Apparel, and Tool Driving or Impacting
• 3740 Thermal & Combustion Technology, Motive & Fluid Power Systems
• 3750 Fluid Handling and Dispensing
• 3760 Refrigeration, Vaporization, Ventilation, and Combustion
• 3770 Medical & Surgical Instruments, Treatment Devices, Surgery and Surgical Supplies
• 3780 Body Treatment, Kinestherapy, and Exercising
• 3790 Medical Instruments, Diagnostic Equipment, and Treatment Devices
• 3799 Search and Classification Examiner Art Unit