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The ornamental design for a stress:strain materials testing instrument, as shown. |
FIG. 1 is a front elevation view of a stress:strain material testing instrument showing our new design;
FIGS. 2 and 3 are side elevation views thereof;
FIG. 4 is a sectional view, taken at 4--4 of FIG. 1 and enlarged;
FIG. 5 is a perspective view, slightly enlarged;
FIG. 6 is a bottom plan view;
FIG. 7 is a top plan view, slightly enlarged; and,
FIG. 8 is a back elevation view.
Lieblein, Joel, Scanlon, David W., Martin, Paulo A., Mahoney, III, Richard J., Mead, Graham E., Kellstedt, Jr., Charles W., Pulsifer, Ronald K.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 18 1993 | Instron Corporation | (assignment on the face of the patent) | / | |||
Sep 29 1999 | Instron Corporation | National City Bank | SECURITY AGREEMENT | 010618 | /0267 | |
Sep 01 2006 | Instron Corporation | Illinois Tool Works Inc | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 018668 | /0141 |
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