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The ornamental design for an envelope opener, as shown. |
FIG. 1 is a top front perspective view of an envelope opener showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top elevational view thereof;
FIG. 5 is a bottom elevational view thereof;
FIG. 6 is a right side elevational view thereof; and,
FIG. 7 is a left side elevational view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jun 10 1994 | BENDER, WALTER R , JR | HYTECH TOOL & DESIGN CO , INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007035 | /0666 | |
Jun 20 1994 | Hytech Tool & Design Company, Inc. | (assignment on the face of the patent) | / |
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