EC

Eric Cammenga

HM Herman Miller: 4 patents #1 of 49Top 3%
📍 Holland, MI: #9 of 113 inventorsTop 8%
🗺 Michigan: #188 of 6,092 inventorsTop 4%
Overall (2004): #15,919 of 270,089Top 6%
4
Patents 2004

Issued Patents 2004

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6733080 Seating structure having a backrest with a flexible membrane and a moveable armrest William E. Stumpf, Rodney C. Schoenfelder, Donald Chadwick, Carolyn Keller, Timothy P. Coffield +2 more 2004-05-11
6726286 Seating structure having a fabric with a weave pattern William E. Stumpf, Rodney C. Schoenfelder, Donald Chadwick, Carolyn Keller, Timothy P. Coffield +2 more 2004-04-27
6722741 Seating structure having a backrest with a bowed section William E. Stumpf, Rodney C. Schoenfelder, Donald Chadwick, Carolyn Keller, Timothy P. Coffield +2 more 2004-04-20
6702390 Support assembly for a seating structure William E. Stumpf, Rodney C. Schoenfelder, Donald Chadwick, Carolyn Keller, Timothy P. Coffield +2 more 2004-03-09