RJ

Ronald J. Kerkstra, Jr.

SD Steelcase Development: 1 patents #33 of 131Top 30%
📍 Holland, MI: #39 of 111 inventorsTop 40%
🗺 Michigan: #1,670 of 6,370 inventorsTop 30%
Overall (2003): #270,151 of 273,478Top 100%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6564154 Monitoring system Lynn A. Zimmerman, Patricia Robin Hood, Kenneth L. Trumble, James M. Kerkstra, Edward C. Smit, Jr. +1 more 2003-05-13