Patent
   D726793
Priority
Mar 13 2014
Filed
May 10 2014
Issued
Apr 14 2015
Expiry
Apr 14 2029
Assg.orig
Entity
unknown
17
21
n/a
The ornamental design for a welding machine for plastic sheets, as shown and described.

FIG. 1 is a front perspective view of a welding machine for plastic sheets showing our design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a top plan view thereof.

von Wyl, Bruno, Gisler, Lukas

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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 05 2014GISLER, LUKASLeister Technologies AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0328650581 pdf
May 05 2014VON WYL, BRUNOLeister Technologies AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0328650581 pdf
May 10 2014Leister Technologies AG(assignment on the face of the patent)
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