ES

Erik A. Steffensen

HT Hon Technology: 12 patents #10 of 123Top 9%
HT Hni Technologies: 1 patents #78 of 171Top 50%
Overall (All Time): #388,278 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7066537 Chair back construction Tim Coffield, Marcus C. Koepke, Jay R. Machael, Craig H. Schultz 2006-06-27
7014269 Chair back construction Tim Coffield, Marcus C. Koepke, Jay R. Machael, Craig H. Schultz 2006-03-21
6729691 Chair back construction Marcus C. Koepke, Tim Coffield, Jay R. Michael, Matthew J. Phillips, Douglas A. Schroeder +1 more 2004-05-04
6669292 Ergonomic chair Marcus C. Koepke, Jamie Krull, Jay R. Machael, Tim Coffield, Keith L. Davis +6 more 2003-12-30
D477151 Armless ergonomic chair Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Brian R. Trego +4 more 2003-07-15
D477164 Chair back Marcus C. Koepke, Craig H. Schultz, Douglas A. Schroeder, Tim Coffield, Patrick Burgess +1 more 2003-07-15
D476821 Ergonomic chair Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Brian R. Trego +4 more 2003-07-08
6572190 Lumbar support for a chair Marcus C. Koepke, Jay R. Machael, Matthew J. Phillips, Douglas A. Schroeder, Craig H. Schultz 2003-06-03
6568760 Chair of modular construction Keith L. Davis, Marcus C. Koepke, Jamie Krull, Jay R. Machael, Matthew J. Phillips +4 more 2003-05-27
D462858 Chair back frame Marcus C. Koepke, Craig H. Schultz, Douglas A. Schroeder, Tim Coffield, Patrick Burgess +1 more 2002-09-17
D462187 Chair Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Brian R. Trego +3 more 2002-09-03
D460869 Chair Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Brian R. Trego +3 more 2002-07-30
D457421 Castor Marcus C. Koepke, Brian R. Trego 2002-05-21