Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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04/11/1995
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Application #:
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07993587
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Filing Dt:
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12/21/1992
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Inventor:
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BARRY VANGEMERT
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Title:
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PHOTOCHROMIC SPIRO(INDOLINE)NAPHTHOXAZINE COMPOUNDS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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ONE PPG PLACE PITTSBURGH, PA 15272 |
PITTSBURGH,, PENNSYLVANIA |
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PPG INDUSTRIES, INC. |
IRWIN M. STEIN |
PATENT DEPT., 39 S |
ONE PPG PLACE |
PITTSBURGH, PA 15272 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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9251 BELCHER ROAD |
PINELLAS PARK, FLORIDA 34664 |
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PPG INDUSTRIES, INC. |
PATENT DEPARTMENT - 39 S |
ATTN: IRWIN M. STEIN, ESQ. |
ONE PPG PLACE |
PITTSBURG, PA 15272 |
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