Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 010360/0082 | |
| Pages: | 3 |
| | Recorded: | 11/03/1999 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
2
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Patent #:
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Issue Dt:
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04/28/1998
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Application #:
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08515265
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Filing Dt:
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08/15/1995
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Title:
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METHOD AND SYSTEM FOR MULTI-STAGE CALCINING OF GYPSUM TO PRODUCE AN ANHYDRITE PRODUCT
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Patent #:
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Issue Dt:
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09/21/1999
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Application #:
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09005323
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Filing Dt:
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01/09/1998
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Title:
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METHOD FOR MULTI-STAGE CALCINING OF GYPSUM TO PRODUCE AN ANHYDRITE PRODUCT
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Assignee
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| 125 S. FRANKLIN STREET |
| CHICAGO, ILLINOIS 60606 |
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Correspondence name and address
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USG CORPORATION
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JOHN M. LORENZEN
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700 NORTH HIGHWAY 45
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LIBERTYVILLE, IL 60048
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