| 8573554 |
Conductor system |
Michael D. Jines, Jodi Tuthill, Kevin Krumholz |
2013-11-05 |
| 8292250 |
Conductor system |
Michael D. Jines, Jodi Tuthill, Kevin Krumholz |
2012-10-23 |
| 7275788 |
Music posture chairs |
Paul A. James, Diwa Ratnam, Jodi Tuthill, Mark E. Reeves, Terry Strand +1 more |
2007-10-02 |
| D524583 |
Chair, seat and back |
Paul A. James, Diwa Ratnam, Jodi Tuthill, Mark E. Reeves, Terry Strand |
2006-07-11 |
| D524082 |
Chair frame |
Paul A. James, Diwa Ratnam, Jodi Tuthill, Mark E. Reeves, Terry Strand +1 more |
2006-07-04 |
| D523255 |
Posture chair |
Paul A. James, Diwa Ratnam, Jodi Tuthill, Mark E. Reeves, Terry Strand +1 more |
2006-06-20 |
| 6725968 |
Acoustic door assembly with continuous cam hinge |
Grant S. Quam, Jay Iverson |
2004-04-27 |
| 6601861 |
Mobile teaching station |
Nancy A. Clark |
2003-08-05 |
| 6520288 |
Acoustic door assembly |
Grant S. Quam, Jay Iverson |
2003-02-18 |
| 6129366 |
Mobile teaching station |
Nancy A. Clark |
2000-10-10 |
| 5901505 |
Portable riser |
Mark Gallea, David R. Boeddeker, Leslie R. Abraham |
1999-05-11 |
| 5787647 |
Portable riser |
Mark Gallea, David R. Boeddeker, Leslie R. Abraham |
1998-08-04 |
| 4780000 |
Adjustable rod end |
Raymond M. Lewis, John A. Bushey, Mark D. Anderson |
1988-10-25 |