Inventor
Christopher J. Norman
Inventor
Byron Center, MI, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Cprimary
A47CChairs50%
B60NSeats specially adapted for vehicles19%
LOC0619%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons12%
PatentTitleYear
10,791,842Conforming back for a seating unit202010,674,826Chair construction202010,182,656Seating components with laminated bonding material20199,913,540'Chair construction'20189,661,930'Chair construction'20179,648,956'Conforming back for a seating unit'2017D0721529'Handle apparatus'20158,876,209'Conforming back for a seating unit'2014D0707976'Chair'2014D0706547'Chair'2014D0704487'Chair'2014D0703988'Chair'20147,841,664'Chair with control system'20107,458,637'Back construction with flexible lumbar'20087,334,845'Comfort surface for seating'20087,237,841'Back construction with flexible lumbar'20077,222,868'Seating unit with wheelchair base'20077,048,335'Seating unit with crossbar seat support'20066,382,719'Back construction'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2008Patents assigned to STEELCASE DEV CORP (5)· patent assignee history
2002–2020Based in Byron Center, MI, US· patent location history
2008–2020Patents assigned to STEELCASE INC (14)· patent assignee history
2014Patents assigned to HOLDREDGE RUSSELL (1)· patent assignee history
2014Patents assigned to JOHNSON KARA (1)· patent assignee history
2014Patents assigned to NORMAN CHRISTOPHER J (1)· patent assignee history
2017–2020Based in Middleville, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| STEELCASE INC | 14 | 2008–2020 |
| STEELCASE DEV CORP | 5 | 2002–2008 |
| HOLDREDGE RUSSELL | 1 | 2014 |
| JOHNSON KARA | 1 | 2014 |
| NORMAN CHRISTOPHER Jself | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Byron Center, MI, US | 15 | 2002–2020 |
| Middleville, MI, US | 4 | 2017–2020 |