Passenger seat with adjustable lumbar support
Pneumatic energy absorbing seat assembly
Pneumatic lordosis support
Pneumatic lumbar adjustment system
Portable air-pressure applying assembly for seats
Portable back support
Portable back support for chairs
Portable orthopedic support device
Power lumbar mechanism
Power lumbar support cable apparatus and method
Powered actuator for lumbar unit
Powered actuator for lumbar unit
Pump assembly for a chair
Pump assembly for a chair
Pumping system for the back support of a seat
Push lumbar support with flexible pressure surface