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The ornamental design for a stair chair, as shown. |
FIG. 1 is a perspective view of a stair chair illustrating my new design;
FIG. 2 is a front view of the design shown in FIG. 1;
FIG. 3 is a side view of the design of FIG. 1; the opposite side being a mirror image thereof;
FIG. 4 is a top view of the design of FIG. 1;
FIG. 5 is a bottom view of the design of FIG. 1; and,
FIG. 6 is a rear view of the design of FIG. 1.
Patent | Priority | Assignee | Title |
10857055, | Apr 17 2015 | GWENVENTIONS, LLC | Portable device for facilitating medical examination |
6435538, | Jul 31 1998 | Ferno-Washington, Inc. | Stair chair |
6644675, | Jul 31 1998 | Ferno-Washington, Inc. | Stair chair |
8332977, | Mar 03 2009 | GWENVENTIONS, LLC | Bedside medical examination device |
9629772, | Apr 17 2015 | GWENVENTIONS, LLC | Portable device for facilitating medical examination |
D430078, | Dec 01 1998 | Ferno-Washington, Inc.; FERNO-WASHINGTON, INC | Fabric chair with three stair climbing wheels |
D519064, | Oct 20 2004 | FERNO-WASHINGTON, INC | Stair chair |
D615207, | Mar 03 2009 | GWENVENTIONS, LLC | Medical examination cart |
D864042, | Nov 21 2017 | MOBILE STAIR LIFT CORP | Electric stair chair |
D973554, | Jul 25 2021 | Electric wheelchair | |
ER2234, | |||
ER2894, | |||
ER8635, | |||
ER9209, |
Patent | Priority | Assignee | Title |
3283839, | |||
4566551, | Aug 30 1983 | Stair-climbing conveyance | |
4643446, | Oct 11 1984 | The STC Companies, Inc. | Mobile chair with removable rear wheel assembly |
4645222, | Mar 28 1984 | Vehicle and method of operating same |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 08 1998 | Ferno-Washington, Inc. | (assignment on the face of the patent) | / | |||
Oct 01 1998 | AUGHPIN, RICHARD A | FERNO-WASHINGTON, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009523 | /0242 | |
Jun 23 2003 | FEMO-WASHINGTON, INC | U S BANK NATIONAL ASSOCIATION | SECURITY AGREEMENT | 014363 | /0213 |
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