Patent Assignment Abstract of Title
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Total Assignments:
4
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Patent #:
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Issue Dt:
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09/03/2002
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Application #:
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09874929
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Filing Dt:
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06/05/2001
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Publication #:
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Pub Dt:
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01/03/2002
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Inventor:
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Karlfrid Osterried
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Title:
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LENS SYSTEM, IN PARTICULAR PROJECTION LENS SYSTEM IN SEMICONDUCTOR LITHOGRAPHY
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| WELSH & KATZ, LTD. |
| GERALD T. SHELDETON, ESQ. |
| 120 SOUTH RIVERSIDE PLAZA |
| 22ND FLOOR |
| CHICAGO, IL 60603-3913 |
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Assignment:
2
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RE-RECORD TO CORRECT THE NAME OF THE ASSIGNEE, PREVIOUSLY RECORDED ON REEL 012077 FRAME 0106, ASSIGNOR CONFIRMS THE ASSIGNMENT OF THE ENTIRE INTEREST.
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| D-89518 HEIDENHEIM, GERMANY |
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| WELSH & KATZ, LTD. |
| GERALD T. SHEKLETON |
| 120 SOUTH RIVERSIDE PLAZA, 22ND FLOOR |
| CHICAGO, ILLINOIS 60606 |
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Assignment:
3
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CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNOR'S NAME, PREVIOUSLY RECORDED AT REEL 012474 FRAME 0166.
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| D-89518 HEIDENHEIM, GERMANY |
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| WELSH & KATZ, LTD. |
| GERALD T. SHEKLETON |
| 120 SOUTH RIVERSIDE PLAZA |
| 22ND FLOOR |
| CHICAGO, IL 60606 |
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Assignment:
4
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| CARL-ZEISS-STRASSE 22 |
| OBERKOCHEN, GERMANY D-73447 |
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| WELSH & KATZ, LTD. |
| GERALD T. SHEKLETON |
| 120 SOUTH RIVERSIDE PLAZA |
| 22ND FLOOR |
| CHICAGO, IL 60606 |
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