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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12/12/1989
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Application #:
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07116479
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Filing Dt:
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11/02/1987
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Inventor:
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DOUGLAS L. TITTLE
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Title:
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CHEMICAL PROCESS CONTROL SYSTEM
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 23000 ST. CLAIR ABENUE |
| CLVELAND, OHIO 44116 |
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| RENNER, OTTO, BOISSELLE & LYON |
| TWELFTH FLOOR |
| ONE PUBLIC SQUARE |
| CLEVELAND, OH 44113 |
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Assignment:
2
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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. |
| KENNETH J. STACHEL |
| INTELLECTUAL PROPERTY DEPARTMENT |
| ONE PPG PLACE |
| PITTSBURGH, PA 15272 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 3800 WEST 143RD STREET |
| CLEVELAND, OHIO 44111 |
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| PPG INDUSTRIES, INC. |
| JOHN K. WILLIAMSON |
| IP DEPT., 39TH FLOOR |
| ONE PPG PLACE |
| PITTSBURGH, PA 15272 |
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Assignment:
4
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CORRECTIVE ASSIGNMENT TO CORRECT INCORRECT PROPERTY NUMBERS 08/666726;08/942182;
08/984387;08/990890;5645767;5698141;5723072;5744070;
5753146;5783116;5808063;
5811034 PREVIOUSLY RECORDED ON REEL 009737 FRAME 0591. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
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| 3800 WEST 143RD STREET |
| CLEVELAND, OHIO 44111 |
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| PPG INDUSTRIES, INC. |
| ONE PPG PLACE |
| LAW DEPARTMENT - 39TH FLOOR |
| PITTSBURGH, PA 15272-0001 |
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