Inventor
KNOBLAUCH JACK R
US7 patents
Patents
7 patentsUS4390206AJun 28, 1983
Synchrotilt chair control
STEELCASE INC98 citations96
US4438898AMar 27, 1984
Chain control locking assembly
STEELCASE INC53 citations94
US4373692AFeb 15, 1983
Chair control with height adjustment actuator
STEELCASE INC60 citations94
US4485996ADec 4, 1984
Height adjustor for furniture
STEELCASE INC27 citations91
US4375301AMar 1, 1983
Chair seat adjustment assembly
STEELCASE INC29 citations91
US4324382AApr 13, 1982
Height adjustable chair base
STEELCASE INC16 citations72
US4214726AJul 29, 1980
Chair control
STEELCASE INC18 citations70