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The ornamental design for a presence sensor, as shown and described. |
FIG. 1 is a perspective view of a presence sensor, showing my new design;
FIG. 2 is a front elevational view;
FIG. 3 is a bottom plan view;
FIG. 4 is a left-hand side elevational view, wherein the right-hand side elevational view is identical; and,
FIG. 5 is a rear elevational view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 03 1995 | STRINGER, CHRISTOPHER J | Steelcase Inc | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007487 | /0679 | |
May 09 1995 | Steelcase Inc. | (assignment on the face of the patent) | / | |||
Jul 01 1999 | STEELCASE INC , A CORPORATION OF MICHIGAN | STEELCASE DEVELOPMENT INC , A CORPORATION OF MICHIGAN | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010188 | /0385 |
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