Mass spectrometer
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Description
The portion of the article shown in broken lines is for illustrative purpose only and forms no part of the claimed design.
Claims
The ornamental design for a mass spectrometer, as shown and described.
Referenced Cited
Patent History
Patent number: D557156
Type: Grant
Filed: Mar 28, 2006
Date of Patent: Dec 11, 2007
Assignee: ULVAC, Inc. (Kanagawa)
Inventor: Yoichi Kon (Tokyo)
Primary Examiner: Antoine D. Davis
Attorney: Oliff & Berridge, PLC
Application Number: 29/256,930
Type: Grant
Filed: Mar 28, 2006
Date of Patent: Dec 11, 2007
Assignee: ULVAC, Inc. (Kanagawa)
Inventor: Yoichi Kon (Tokyo)
Primary Examiner: Antoine D. Davis
Attorney: Oliff & Berridge, PLC
Application Number: 29/256,930
Classifications
Current U.S. Class:
Chemical (12) (D10/81)