Gas supply pipe for manufacturing semiconductor wafers
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The rear view of the gas supply pipe for manufacturing semiconductor wafers appears the same as its front view shown in
Claims
The ornamental design for a gas supply pipe for manufacturing semiconductor wafers, as shown and described.
D379404 | May 20, 1997 | Spelts |
6139642 | October 31, 2000 | Shimahara et al. |
D434478 | November 28, 2000 | Sanders |
6187102 | February 13, 2001 | Yamamoto |
20090017638 | January 15, 2009 | Yoshino et al. |
20090291566 | November 26, 2009 | Ueno et al. |
Type: Grant
Filed: Nov 8, 2007
Date of Patent: Jul 20, 2010
Assignee: Tokyo Electron Limited (Tokyo)
Inventor: Mitsuhiro Okada (Yamanashi)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Eric L Goodman
Attorney: Smith, Gambrell & Russell, LLP
Application Number: 29/290,252