TC

Tim Coffield

HT Hon Technology: 4 patents #8 of 26Top 35%
IS Irwin Seating: 2 patents #1 of 4Top 25%
📍 Grand Rapids, MI: #4 of 127 inventorsTop 4%
🗺 Michigan: #94 of 6,370 inventorsTop 2%
Overall (2003): #5,005 of 273,478Top 2%
6
Patents 2003

Issued Patents 2003

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6669292 Ergonomic chair Marcus C. Koepke, Jamie Krull, Jay R. Machael, Keith L. Davis, Amin K. Habboub +6 more 2003-12-30
6652030 Chair seat John P. Conner, Robert L. Russell, Steve Finney 2003-11-25
D477151 Armless ergonomic chair Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Erik A. Steffensen +4 more 2003-07-15
D477164 Chair back Marcus C. Koepke, Erik A. Steffensen, Craig H. Schultz, Douglas A. Schroeder, Patrick Burgess +1 more 2003-07-15
D476821 Ergonomic chair Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Erik A. Steffensen +4 more 2003-07-08
6523900 Chair seat John P. Conner, Robert L. Russell, Steve Finney 2003-02-25