Inventor
John L. Hendricks
Inventor
Grand Rapids, MI, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Cprimary
A47CChairs40%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
A47BTables10%
F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere10%
PatentTitleYear
6,290,191'Chair base'20015,979,845'Hub tube/washer assembly'19995,964,436'Chair base'19995,906,343'Chair base'19995,400,634'Apparatus for forming tubing into curved, unbalanced and non-uniform shapes'19955,297,415'Method for forming tubing into curved, unbalanced and non-uniform shapes'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1999Patents assigned to STEELCASE INC (5)· patent assignee history
1994–2001Based in Grand Rapids, MI, US· patent location history
2001Patents assigned to STEELCASE DEV CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| STEELCASE INC | 5 | 1994–1999 |
| STEELCASE DEV CORP | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Grand Rapids, MI, US | 6 | 1994–2001 |