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The ornamental design for an explosion proof enclosure for electrical apparatus or similar article, as shown. |
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FIG. 1 is a front elevation view of the explosion proof enclosure for electrical apparatus;
FIG. 2 is a top plan view of the enclosure;
FIG. 3 is a side elevation view of the enclosure; and
FIG. 4 is a bottom view of the enclosure.
Moore, Brian E., Buis, Richard D.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| May 01 1981 | MOORE, BRIAN E | ENDRESS + HAUSER, INC , A CORP OF IN | ASSIGNMENT OF ASSIGNORS INTEREST | 003926 | /0031 | |
| May 01 1981 | BUIS, RICHARD D | ENDRESS + HAUSER, INC , A CORP OF IN | ASSIGNMENT OF ASSIGNORS INTEREST | 003926 | /0031 | |
| May 11 1981 | Endress + Hauser, Inc. | (assignment on the face of the patent) | / |
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