DG

Dale M. Groendal

ST Steelcase: 1 patents #30 of 84Top 40%
📍 Jenison, MI: #1 of 9 inventorsTop 15%
🗺 Michigan: #358 of 4,492 inventorsTop 8%
Overall (1997): #43,102 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5662381 Chair construction and method of assembly Charles P. Roossien, David C. Pugh, James E. Massey, Robert Scheper, Duane F. Nagel +3 more 1997-09-02
5630643 Upholstered chair with two-piece shell Brian L. Scholten, James E. Abraham, Robert Scheper, Thomas R. Hahn, Douglas A. Smith 1997-05-20