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The ornamental design for a stair chair, as shown and described.
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FIG. 1 is a front side perspective view of a stair chair design unfolded and tracks deployed;
FIG. 2 is a front side perspective view of a stair chair design unfolded and tracks retracted;
FIG. 3 is a close-up front side perspective view thereof;
FIG. 4 is a back side perspective view of a stair chair design unfolded and tracks deployed;
FIG. 5 is a close-up back side perspective view thereof;
FIG. 6 is a back side perspective view of a stair chair design unfolded and tracks retracted;
FIG. 7 is a top front view of a stair chair design unfolded;
FIG. 8 is a top back view of a stair chair design unfolded and tracks deployed;
FIG. 9 is a back view thereof;
FIG. 10 is a back view of a stair chair design unfolded and tracks retracted;
FIG. 11 is a side view thereof;
FIG. 12 is a side view of a stair chair design unfolded and tracks deployed;
FIG. 13 is a front view thereof;
FIG. 14 is a bottom view of a stair chair design unfolded; and,
FIG. 15 is a bottom view of a stair chair design completely folded.
Dietz, Timothy J., Schrand, Steven B., Chambliss, Charles Scott, Bierman, Donald Charles
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Oct 20 2004 | Ferno-Washington, Inc. | (assignment on the face of the patent) | / | |||
| Jan 20 2005 | DIETZ, TIMOTHY J | FERNO-WASHINGTON, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015689 | /0283 | |
| Jan 20 2005 | CHAMBLISS, CHARLES SCOTT | FERNO-WASHINGTON, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015689 | /0283 | |
| Jan 25 2005 | SCHRAND, STEVEN B | FERNO-WASHINGTON, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015689 | /0283 | |
| Jan 31 2005 | BIERMAN, DONALD CHARLES | FERNO-WASHINGTON, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015689 | /0283 | |
| Dec 08 2006 | FERNO-WASHINGTON, INC | U S BANK NATIONAL ASSOCIATION | MORTGAGE SEE DOCUMENT FOR DETAILS | 018616 | /0238 |
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