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Patent Assignment Assignor Details
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Assignor Name : KNAVISH, LEONARD A.
Total Assignments: 3
Assignment: 1
Reel/Frame:004781/0336   Pages: 3
Recorded: 08/31/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
08/21/1987
2
Exec Dt:
08/26/1987
Assignee
1
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07091178
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 2
Reel/Frame:005095/0544   Pages: 2
Recorded: 06/21/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
06/16/1989
Assignee
1
PITTSBURGH,, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07369450
Correspondence name and address
DENNIS G. MILLMAN
PATENT DEPT.
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 3
Reel/Frame:005375/0832   Pages: 4
Recorded: 06/25/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
06/21/1990
2
Exec Dt:
06/21/1990
Assignee
1
PITTSBURGH,, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07543006
Correspondence name and address
PATENT DEPT.
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272

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