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The ornamental design for a quartz process tube, as shown. |
FIG. 1 a perspective view of a quartz process tube.
FIG. 2 a front elevational view thereof.
FIG. 3 a top plan view thereof.
FIG. 4 a bottom plan view thereof.
FIG. 5 a cross sectional view thereof taken along line 5--5 in FIG. 2.
FIG. 6 a rear elevational view thereof.
FIG. 7 a left side view thereof.
FIG. 8 a right side view thereof.
FIG. 9 a cross sectional view thereof taken along line 9--9 in FIG. 3; and,
FIG. 10 a cross sectional view thereof taken along line 10--10 in FIG. 3.
Watanabe, Shingo, Hanagata, Testuya
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jul 24 1997 | Tokyo Electron Limited | (assignment on the face of the patent) | / | |||
Nov 07 1997 | HANAGATA, TETSUYA | Tokyo Electron Limited | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008802 | /0990 | |
Nov 07 1997 | WATANABE, SHINGO | Tokyo Electron Limited | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008802 | /0990 |
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