Inventor

Michael W. Welsh

Inventor

Rockford, MI, US

Overview

27→

Patents

2001–2018

Patent span

LOC

Primary field

Patents· 27 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

LOC06primary

LOC0670%

A47CChairs7%

LOC267%

A47BTables3%

F21SNon-portable lighting devices3%

F21VFunctional features or details of lighting devices or systems thereof3%

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted3%

G09FDisplaying3%

PatentTitleYear

9,913,539'Office chair'2018 D0793787'Portion of a back support for a chair'2017 D0784749'Lumbar support for a chair'2017 D0782859'Back support for a chair'2017 D0782241'Back support for a chair'2017 D0779250'Portion of a back support for a chair'2017 D0779252'Back support for a chair'2017 D0779254'Armrests for a chair'2017 D0779248'Armrests for a chair'2017 D0779255'Headrest for a chair'2017 D0779251'Lumbar support for a chair'2017 D0779253'Back support for a chair'2017 D0693139'Office chair'2013 D0679107'Office chair'2013 D0666841'Office chair'2012 D0662331'Office chair'2012 D0655522'Office chair'2012 D0643640'Office chair'2011 D0618004'Office chair'2010 D0587942'Lumbar support for an office chair'2009 D0562574'Office chair'2008 D0545076'Office chair'2007 6,471,294'Adjustable lumbar support'2002 6,435,634'Document display shelf apparatus'2002 D0461022'Task light'2002 6,386,723'Tasklight for workspaces and the like'2002 D0444262'Task light'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2018Based in Rockford, MI, US· patent location history

2002Patents assigned to STEELCASE DEV CORP (4)· patent assignee history

2007–2018Patents assigned to HAWORTH INC (22)· patent assignee history

2012Patents assigned to CZUMAJ-BRONT NICOLAI (3)· patent assignee history

2012Patents assigned to WELSH MICHAEL W (3)· patent assignee history

2013Patents assigned to ANDERSON KERMIT (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HAWORTH INC	22	2007–2018
STEELCASE DEV CORP	4	2002
CZUMAJ-BRONT NICOLAI	3	2012
WELSH MICHAEL Wself	3	2012
ANDERSON KERMIT	2	2013

Locations

Location	Patents	Span
Rockford, MI, US	27	2001–2018