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The ornamental design for a drainable blade louver head, as shown and described. |
FIG. 1 is a perspective view of the present drainable blade louver head illustrating the design of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a bottom view of FIG. 1;
FIG. 5 is a front elevational view of FIG. 1; and
FIG. 6 is a rear elevational view of FIG. 1.
Sanderson, Paul H., Dowdell, Jr., Joshua R.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Sep 13 1976 | Dowco Corporation | (assignment on the face of the patent) | / | |||
Feb 22 1989 | DOWCO CORPORATION, A CORP OF TX | SAFE-AIR OF ILLINOIS, INC , A CORP OF IL | ASSIGNMENT OF ASSIGNORS INTEREST | 005029 | /0428 |
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