Patent Assignment Abstract of Title
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Total Assignments:
6
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Patent #:
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Issue Dt:
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01/12/1982
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Application #:
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06180308
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Filing Dt:
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08/22/1980
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Inventor:
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EARL D. BRENNAN
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Title:
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PROCESS AND APPARATUS FOR SEPARATING AND PURIFYING A CRYSTALLINE MATERIAL
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| KOPPERS CO., INC. |
| 1450 KOPPERS BLDG. |
| PITTSBURGH, PA 15219 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 1250 KOPPERS BUILDING |
| PITTSBURGH, PENNSYLVANIA 15219 |
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| KATHLEEN F. HARRIS |
| BRACEWELL & PATTERSON |
| 2900 SOUTH TOWER PENNZOIL PLACE |
| HOUSTON, TEXAS 77002-2781 |
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Assignment:
3
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SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
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| ROBIN J. MILES |
| BRACEWELL & PATTERSON |
| 2900 SOUTH TOWER PENNZOIL PLACE |
| HOUSTON, TEXAS 77002-2781 |
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Assignment:
4
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). JANUARY 17, 1989, DELAWARE
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| DAVID V. RADACK |
| 600 GRANT STREET, 42ND FLOOR |
| PITTSBURGH, PA 15219 |
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Assignment:
5
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| ECKERT SEAMANS CHERIN & MELLOTT |
| 600 GRANT STREET 42ND FLOOR |
| PITTSBURGH, PA 15219 |
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Assignment:
6
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| ONE PPG PLACE, SUITE 2950 |
| PITTSBURGH, PENNSYLVANIA 15222 |
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| BUCHANAN INGERSOLL, P.C. |
| MICHAEL L. DEVER |
| 301 GRANT STREET, 20TH FLOOR |
| PITTSBURGH, PA 15219 |
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