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Inventor

John C. Groelsma

Inventor
Jenison, MI, US

Overview

4→
Patents
2009–2013
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A47Cprimary
A47CChairs60%
A47BTables20%
F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere20%
PatentTitleYear
8,602,501'Backrest'20138,128,175'Suspension seating'20127,690,317'Computer workstation with moveable monitor support'20107,530,639'Chair with adjustable foot support'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2013Patents assigned to MILLER HERMAN INC (4)· patent assignee history
2009–2013Based in Jenison, MI, US· patent location history
2012–2013Patents assigned to ALDRICH JOHN F (2)· patent assignee history
2012–2013Patents assigned to GROELSMA JOHN C (2)· patent assignee history
2012Patents assigned to COFFIELD TIMOTHY P (1)· patent assignee history
2012Patents assigned to LAMORE EILEEN M (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MILLER HERMAN INC42009–2013
ALDRICH JOHN F22012–2013
GROELSMA JOHN Cself22012–2013
COFFIELD TIMOTHY P12012
LAMORE EILEEN M12012
Locations
LocationPatentsSpan
Jenison, MI, US42009–2013