Inventor
ROOSSIEN CHARLES P
US25 patents
⚠️ This page may combine multiple inventors who share the name “ROOSSIEN CHARLES P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
STEELCASE INC
13 patentsUS7427105B2Sep 23, 2008
Back construction for seating unit
STEELCASE INC102 citations98
US5662381ASep 2, 1997
Chair construction and method of assembly
STEELCASE INC106 citations98
US7712834B2May 11, 2010
Back support for seating unit
STEELCASE INC41 citations97
US5318346AJun 7, 1994
Chair with zero front rise control
STEELCASE INC112 citations97
US4720142AJan 19, 1988
Variable back stop
STEELCASE INC115 citations96
US5842264ADec 1, 1998
Chair construction and method of assembly
STEELCASE INC74 citations95
US5540481AJul 30, 1996
Chair with zero front rise control
STEELCASE INC69 citations95
US5439267AAug 8, 1995
Chair with adjustable arm assemblies
STEELCASE INC169 citations95
US4494795AJan 22, 1985
Variable back adjuster for chairs
STEELCASE INC59 citations93
USD395177SJun 16, 1998
Chair
STEELCASE INC21 citations91
US5755488AMay 26, 1998
Chair with adjustable seat
STEELCASE INC76 citations91
US5630650AMay 20, 1997
Vertically adjustable back construction for seating
STEELCASE INC32 citations91
USD393161SApr 7, 1998
Chair arm
STEELCASE INC8 citations68
STEELCASE DEV CORP
11 patentsUS7131700B2Nov 7, 2006
Back construction for seating unit
STEELCASE DEV CORP130 citations99
US7114777B2Oct 3, 2006
Chair having reclineable back and movable seat
STEELCASE DEV CORP88 citations99
US6991291B2Jan 31, 2006
Back construction for seating unit having spring bias
STEELCASE DEV CORP109 citations99
US6394546B1May 28, 2002
Lumbar device
STEELCASE DEV CORP260 citations98
US6394545B2May 28, 2002
Back for seating unit
STEELCASE DEV CORP85 citations98
US6367877B1Apr 9, 2002
Back for seating unit
STEELCASE DEV CORP79 citations98
US6349992B1Feb 26, 2002
Seating unit including novel back construction
STEELCASE DEV CORP92 citations98
US6460928B2Oct 8, 2002
Seating unit including novel back construction
STEELCASE DEV CORP65 citations97
US7040709B2May 9, 2006
Back construction for seating unit having inverted U-shaped frame
STEELCASE DEV CORP40 citations96
US6905171B2Jun 14, 2005
Seating unit including novel back construction
STEELCASE DEV CORP49 citations96
US6554364B1Apr 29, 2003
Articulating armrest
STEELCASE DEV CORP53 citations92