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The ornamental design for a heat seal machine, as shown and described.
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FIG. 1 is a side elevation of a heat seal machine embodying my design;
FIG. 2 is a front view of a heat seal machine embodying my design;
FIG. 3 is a rear view of a heat seal machine embodying my design;
FIG. 4 is a top view of a heat seal machine embodying my design;
FIG. 5 is a bottom view of a heat seal machine embodying my design; and,
FIG. 6 is a perspective view of a heat seal machine embodying my design.
The broken lines in the several figures of the drawings are for illustrative purposes only and form no part of the claimed design.
| Patent | Priority | Assignee | Title |
| D587734, | Jan 07 2008 | Tabletop sealing device |
| Patent | Priority | Assignee | Title |
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| D250340, | Feb 09 1977 | Press | |
| D340730, | Apr 02 1991 | Stahls' Inc. | Heat seal machine |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 01 2002 | ROBINSON, BENJAMIN B | STAHLS SPECIAL PROJECTS, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012767 | /0946 | |
| Apr 03 2002 | Stahls' Special Projects, Inc. | (assignment on the face of the patent) | / |
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