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The ornamental design for a chemical dryer, as shown. |
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FIG. 1 is a top, front and right side perspective view of a chemical dryer showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a rear elevational view thereof; and,
FIG. 6 is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 30 1991 | KASMAN, DAVID H | LABORATORY DEVICES, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005698 | /0618 | |
| May 06 1991 | Laboratory Devices, Inc. | (assignment on the face of the patent) | / | |||
| Jan 06 1999 | LABORATORY DEVICES, INC | Barnstead Thermolyne Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009756 | /0690 |
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