| 
 | The ornamental design for portion of a key blade blank, as shown and described. | |||||||||||||||||
FIG. 1 is a front view of a first embodiment of our new design of a portion of a key blade blank;
FIG. 2 is a right side view of a first embodiment of our new design of a portion of a key blade blank;
FIG. 3 is a left side view of a first embodiment of our new design of a portion of a key blade blank;
FIG. 4 is a top view of a first embodiment of our new design of a portion of a key blade blank;
FIG. 5 is a bottom view of a first embodiment of our new design of a portion of a key blade blank;
FIG. 6 is a front view of a second embodiment of our new design of a portion a key blade blank;
FIG. 7 is a right side view of a second embodiment of our new design of a portion of a key blade blank;
FIG. 8 is a left side view of a second embodiment of our new design of a portion of a key blade blank;
FIG. 9 is a top view of a second embodiment of our new design of a portion of a key blade blank; and,
FIG. 10 is a bottom view of a second embodiment of our new design of a portion of a key blade blank.
Hoffman, Anthony J., Kearns, Robert E.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Nov 10 1992 | KEARNS, ROBERT E | Emhart Inc | ASSIGNMENT OF ASSIGNORS INTEREST | 006397/ | 0499 | |
| Nov 17 1992 | HOFFMAN, ANTHONY J | Emhart Inc | ASSIGNMENT OF ASSIGNORS INTEREST | 006397/ | 0499 | |
| Jan 06 1993 | Corbin Russwin, Inc. | (assignment on the face of the patent) | / | |||
| Feb 28 1994 | Emhart Inc | CORBIN RUSSWIN, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006970/ | 0759 | 
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