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The ornamental design for supply air device, as shown. |
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FIG. 1 is a top front perspective view of the supply air device showing my new design; and,
FIG. 2 is a bottom rear perspective view thereof.
| Patent | Priority | Assignee | Title |
| D445493, | Dec 05 2000 | Air Innovation Sweden AB | Supply-air device |
| Patent | Priority | Assignee | Title |
| 4020753, | Oct 06 1975 | EFSTRTIS, ALKISTY | Ventilation extension unit |
| 5358444, | Apr 27 1993 | STEELCASE DEVELOPMENT INC , A CORPORATION OF MICHIGAN | Workstation ventilation system |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Nov 14 1997 | Air Innovation Sweden AB | (assignment on the face of the patent) |
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