Inventor
GROENDAL DALE M
26 patents
⚠️ This page may combine multiple inventors who share the name “GROENDAL DALE M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
STEELCASE INC
16 patentsUS8973990B2Mar 10, 2015
Chair assembly
STEELCASE INC42 citations98
US5662381ASep 2, 1997
Chair construction and method of assembly
STEELCASE INC106 citations98
US5385388AJan 31, 1995
Split back chair
STEELCASE INC197 citations98
US5630643AMay 20, 1997
Upholstered chair with two-piece shell
STEELCASE INC100 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
USD355303SFeb 14, 1995
Chair
STEELCASE INC65 citations94
US9167910B2Oct 27, 2015
Chair assembly
STEELCASE INC11 citations92
US5851457ADec 22, 1998
Method of forming an upholstered foam plastic seat cushion
STEELCASE INC36 citations92
USD351070SOct 4, 1994
Chair
STEELCASE INC27 citations91
US5935364AAug 10, 1999
Thermal forming upholstery process
STEELCASE INC27 citations86
US10413083B2Sep 17, 2019
Chair assembly
STEELCASE INC5 citations84
US9986848B2Jun 5, 2018
Chair assembly method
STEELCASE INC9 citations84
US9706853B2Jul 18, 2017
Chair assembly
STEELCASE INC9 citations84
USD360770SAug 1, 1995
Chair
STEELCASE INC8 citations72
USD412417SAug 3, 1999
Chair
STEELCASE INC14 citations71
STEELCASE DEV CORP
8 patentsUS6536841B1Mar 25, 2003
Synchrotilt chair
STEELCASE DEV CORP111 citations99
USD457739SMay 28, 2002
Chair
STEELCASE DEV CORP81 citations98
US6786548B2Sep 7, 2004
Chair construction
STEELCASE DEV CORP44 citations96
USD457007SMay 14, 2002
Chair
STEELCASE DEV CORP33 citations96
USD456627SMay 7, 2002
Chair
STEELCASE DEV CORP58 citations96
USD461327SAug 13, 2002
Chair
STEELCASE DEV CORP21 citations92
USD451693SDec 11, 2001
Chair
STEELCASE DEV CORP21 citations92
USD463920SOct 8, 2002
Chair
STEELCASE DEV CORP9 citations74