Tim Coffield — 16 Patents at Hon Technology

Tim Coffield has been granted 16 US patents while listed as an inventor at Hon Technology. The first was granted in 1999 and the most recent in June 2006. Tim Coffield ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Tim Coffield in Grand Rapids, MI, US.

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #	Title	Co-Inventors	Date
7066537	Chair back construction	Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Erik A. Steffensen	2006-06-27
7014269	Chair back construction	Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Erik A. Steffensen	2006-03-21
6729691	Chair back construction	Marcus C. Koepke, Jay R. Michael, Matthew J. Phillips, Douglas A. Schroeder, Craig H. Schultz +1 more	2004-05-04
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
D462858	Chair back frame	Marcus C. Koepke, Erik A. Steffensen, Craig H. Schultz, Douglas A. Schroeder, Patrick Burgess +1 more	2002-09-17
D462187	Chair	Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Erik A. Steffensen +3 more	2002-09-03
D460869	Chair	Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Erik A. Steffensen +3 more	2002-07-30
6168239	Seat back with shaped internal ribs	John P. Conner, Steven E. Finney, Richard A. Thalen, Robert L. Russell	2001-01-02
6042187	Seat back with aperture identifiers	John P. Conner, Steven E. Finney, Richard A. Thalen, Robert L. Russell	2000-03-28
6033027	Seat back with corner indentations	John P. Conner, Steven E. Finney, Richard A. Thalen, Robert L. Russell	2000-03-07
5951110	Contoured plastic seat back	John P. Conner, Steven E. Finney, Richard A. Thalen, Robert L. Russell	1999-09-14

Tim Coffield — 16 Patents

Issued Patents All Time

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