Inventor
NELSON PATRICK C
US5 patents
Patents
5 patentsUS6053579AApr 25, 2000
Height-Adjustable chair arm assembly having cam-type adjusting mechanism
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Tilt mechanism for chair having adjustable spring characteristics
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Chair
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US6533355B2Mar 18, 2003
Height-adjustment mechanism for a chair
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US4720071AJan 19, 1988
Split nut mechanical height adjusting mechanism for chair
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