| 7611202 |
Tilt mechanism for a chair |
LeRoy Johnson |
2009-11-03 |
| 7185951 |
Chair and synchrotilt chair mechanism |
LeRoy Johnson |
2007-03-06 |
| 6966604 |
Chair with a linkage assembly |
William E. Stumpf, Rodney C. Schoenfelder, Donald Chadwick, Carolyn Keller, Timothy P. Coffield +4 more |
2005-11-22 |
| 6685267 |
Chair and synchrotilt chair mechanism |
LeRoy Johnson |
2004-02-03 |
| 6536127 |
Method for optimization of J-back configuration for a chair |
Bryan H. Zeeuw, Steven M. Lynch, LeRoy Johnson |
2003-03-25 |
| 6386634 |
Office chair |
William E. Stumpf, Rodney C. Schoenfelder, Donald Chadwick, Carolyn Keller, Timothy P. Coffield +4 more |
2002-05-14 |
| 6139103 |
Synchronized chair seat and backrest tilt control mechanism |
Kenneth C. Hybarger, Bryan H. Zeeuw, LeRoy Johnson, David A. Young |
2000-10-31 |
| 6027168 |
Chair seat horizontal adjustment mechanism |
Bryan H. Zeeuw |
2000-02-22 |
| 6010189 |
Synchronized chair seat and backrest tilt control mechanism |
Kenneth C. Hybarger, Bryan H. Zeeuw, LeRoy Johnson, David A. Young |
2000-01-04 |
| 6000756 |
Synchronized chair seat and backrest tilt control mechanism |
Kenneth C. Hybarger, Bryan H. Zeeuw, LeRoy Johnson, David A. Young |
1999-12-14 |
| 5772282 |
Tilt control mechanism for a chair |
William E. Stumpf, Rodney C. Schoenfelder, Donald Chadwick, Carolyn Keller, Timothy P. Coffield +4 more |
1998-06-30 |
| 5373793 |
Adaptor housing for mounting an adjustable height work surface to a wall panel |
— |
1994-12-20 |
| 5230290 |
Flush-mounted crank |
— |
1993-07-27 |
| 4948198 |
Knee-tilt chair control |
Kenneth C. Hybarger, Bryan H. Zeeuw, David A. Young |
1990-08-14 |
| 4716699 |
Wall panels with single load-bearing connector posts |
Terry Mitchell |
1988-01-05 |
| 4586748 |
Adjustable chair iron |
Douglas W. Dingler, James F. Gadsbey |
1986-05-06 |
| 4585131 |
Variable decor merchandising system |
Douglas D. Amstutz, Donald D. Kelemen |
1986-04-29 |
| 4458942 |
Three-quarter fold retracting chair |
— |
1984-07-10 |
| 4189876 |
Beam-mounted folding chairs |
Arthur L. Van Ryn |
1980-02-26 |