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The ornamental design for an ear portion of a welding helmet, as shown and described.
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FIG. 1 is a perspective view, showing the new design for an ear portion of a welding helmet;
FIG. 2 is a left side view, the right side view being a mirror image thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a bottom view thereof; and,
FIG. 6 is a rear view thereof.
The details shown in broken lines form no part of the claimed design.
Fredriksson, Lennart C., Fridholm, Jonas D., Juhlin, Oskar E., Lilenthal, Niklas, Mases, Kjell I., Crafoord, David, Belin, Rutger
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 09 2005 | 3M Innovative Properties Company | (assignment on the face of the patent) | ||||
Dec 21 2005 | MASES, KJELL I | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017313 | 0213 | |
Dec 21 2005 | BELIN, RUTGER | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017313 | 0213 | |
Dec 21 2005 | FREDRIKSSON, LENNART C | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017313 | 0213 | |
Dec 21 2005 | LILENTHAL, NIKLAS | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017313 | 0213 | |
Feb 21 2006 | FRIDHOLM, JONAS D | ERGONOMIDESIGN AB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017313 | 0544 | |
Feb 21 2006 | JUHLIN, OSKAR E | ERGONOMIDESIGN AB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017313 | 0544 | |
Feb 21 2006 | ERGONOMIDESIGN AB | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017330 | 0559 | |
Feb 27 2006 | CRAFOORD, DAVID | ERGONOMIDESIGN AB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017313 | 0544 |
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