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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11/07/1995
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Application #:
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08225033
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Filing Dt:
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04/08/1994
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Inventors:
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DAVID B. KNOWLES, BARRY VAN GEMERT
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Title:
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PHOTOCHROMIC TETRAPHENYL NAPHTHODIPYRANS
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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,, PENNSYLVANIA 15272 |
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| PPG INDUSTRIES, INC. |
| IRWIN M. STEIN, ESQ. |
| PATENT DEPARTMENT - 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 34644 |
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| PPG INDUSTRIES, INC. |
| INTELLECTUAL PROPERTY DEPT. - 39S |
| ATTN: IRWIN M. STEIN, ESQ. |
| ONE PPG PLACE |
| PITTSBURGH, PA 15272 |
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