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The ornamental design for a roughness indicator, as shown. |
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FIG. 1 is top and left front perspective view of a roughness indicator showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| May 02 1986 | FAUERSKOV, SVEND E | BRUEL & KJAER A S, A CORP OF DENMARK | ASSIGNMENT OF ASSIGNORS INTEREST | 004573 | /0656 | |
| May 28 1986 | Bruel & Kjaer A/S | (assignment on the face of the patent) | / | |||
| Jul 07 1996 | Aktieselskabet Bruel & Kjaer | Rank Taylor Hobson Limited | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008186 | /0964 | |
| Apr 11 1997 | RANK NEMO HTR LIMITED, PREVIOUSLY KNOWN AS RANK TAYLOR HOBSON, LTD AND RANK TAYLOR HOBSON LIMITED | Taylor Hobson Limited | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008535 | /0246 |
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