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The ornamental design for a welding transformer, as shown and described.
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The broken lines in the drawings depict unclaimed environmental subject matter.
The broken away symbols in the drawings indicate that any portion of the article beyond what is shown forms no part of the claimed design.
Siehling, Mark B., DeCorte, Donald B.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 29 2015 | RoMan Manufacturing, Inc. | (assignment on the face of the patent) | / | |||
Jan 29 2015 | DECORTE, DONALD B | ROMAN MANUFACTURING, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 034843 | /0430 | |
Jan 29 2015 | SIEHLING, MARK B | ROMAN MANUFACTURING, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 034843 | /0430 |
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