FIG. 1 is a perspective view of a core lifter; and,
FIG. 2 is a bottom plan view of the core lifter shown in FIG. 1.
The phantom, broken lines shown in the drawings form part of the design that is not claimed herein.
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jan 26 2010 | DRENTH, CHRISTOPHER L | Longyear TM, Inc | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 023879 | /0295 |
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| Jan 27 2010 | ZHANG, HONGYAN | Longyear TM, Inc | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 023879 | /0295 |
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| Jan 29 2010 | | LONGYEAR TM, INC. | (assignment on the face of the patent) | | / |
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