Inventor
Gerard J. Matern
Inventor
Waterloo, CA
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Cprimary
A47CChairs50%
LOC0643%
LOC087%
PatentTitleYear
D0573815'Chair control'20087,396,081'Chair height adjustment mechanism'20087,380,884'Switching apparatus'2008D0557946'Chair control'2007D0553885'Chair control'20077,097,254'Height-adjustment mechanism for an armrest'20066,896,333'Height-adjustment mechanism for an armrest'20056,692,077'Height adjustment chair control'20046,609,760'Chair control actuator with depiction'2003D0475269'Handwheel'2003D0461346'Chair control housing'2002D0461074'Chair control housing'20026,378,943'Chair tilt lock mechanisms'2002D0432338'Chair control mechanism'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2002Patents assigned to NORTHFIELD METAL PRODUCTS LTD (4)· patent assignee history
2000–2008Based in Waterloo, CA· patent location history
2003–2008Patents assigned to LEGGETT & PLATT LTD (6)· patent assignee history
2007–2008Patents assigned to LEGGETT & PLATT CANADA CO (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEGGETT & PLATT LTD | 6 | 2003–2008 |
| LEGGETT & PLATT CANADA CO | 4 | 2007–2008 |
| NORTHFIELD METAL PRODUCTS LTD | 4 | 2000–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Waterloo, CA | 14 | 2000–2008 |