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The ornamental design for a trencher blade for earth working machine, as shown and described.
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FIG. 1 is a left perspective view of our trencher blade design of our invention shown installed on an earth working machine;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a top, left perspective view of the trencher blade;
FIG. 4 is a left-side elevational view thereof;
FIG. 5 is a plan view thereof;
FIG. 6 is a right-side elevational view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a rear elevational view thereof; and,
FIG. 9 is a front elevational view thereof.
The broken lines showing an earth working machine in FIGS. 1 through 3 and the area within are environmental only and form no part of the claimed design.
Porter, Roger D., Burroughs, Jerome C.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 30 2011 | PORTER, ROGER D | E-Z TRENCH MANUFACTURING, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 026829 | /0715 | |
Sep 30 2011 | BURROUGHS, JEROME C | BURROUGHS SPRAYER MFG , INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 027098 | /0016 |
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