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			   We claim the ornamental design for a drum trigger, as shown and described.     
    
    
    
    
    
    
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FIG. 1 is a perspective view of a drum trigger showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a side elevation view thereof; and,
FIG. 7 is a side elevation view of the opposite side of FIG. 6.
Yoshino, Kiyoshi, Fukuoka, Akihiko, Kamijima, Yuujirou
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Jan 15 2003 | Roland Corporation | (assignment on the face of the patent) | / | |||
| Mar 24 2003 | KAMIJIMA, YUUJIROU | Roland Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 013956 | /0030 | |
| Mar 26 2003 | YOSHINO, KIYOSHI | Roland Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 013956 | /0030 | |
| Mar 26 2003 | FUKUOKA, AKIHIKO | Roland Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 013956 | /0030 | 
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