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Assignor Name : DRESSLER, HANS
Total Assignments: 11
Assignment: 1
Reel/Frame:004138/0294   Pages: 1
Recorded: 06/17/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRESSLER, HANS
Exec Dt:
11/12/1981
2
LEDERER, DONALD A.
Exec Dt:
11/22/1981
3
NOE, JAMES
Exec Dt:
11/30/1981
Assignee
1
KOPPERS COMPANY, INC.
KOPPERS BLDG.
A CORP. OF DE
PITTSBURGH, PENNSYLVANIA 15219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4405755
NONE
06329198
Correspondence name and address
DONALD M. MAC KAY
KOPPERS COMPAY, INC.
1450 KOPPERS BLDG.
PITTSBURGH, PA 15219
Assignment: 2
Reel/Frame:004513/0512   Pages: 1
Recorded: 02/26/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRESSLER, HANS
Exec Dt:
10/19/1984
2
HOLTER, SAMUEL N.
Exec Dt:
10/19/1984
3
ZNIDARSIC, NANCY
Exec Dt:
10/19/1984
Assignee
1
KOPPERS COMPANY INC., A CORP OF DE
KOPPERS BUILDING
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4592783
NONE
06663213
Correspondence name and address
DONALD M. MAC KAY
1450 KOPPERS BLDG.
PITTSBURGH, PA 15219
Assignment: 3
Reel/Frame:004352/0055   Pages: 1
Recorded: 01/23/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRESSLER, HANS
Exec Dt:
11/20/1984
2
MEILUS, ALBERT A.
Exec Dt:
11/21/1984
Assignee
1
KOPPERS COMPANY, INC.
KOPPERS BLDG
CORP. OF DE
PITTSBURGH, PENNSYLVANIA 15219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4604491
NONE
06674881
Correspondence name and address
DONALD M. MAC KAY
KOPPERS COMPANY, INC.
1450 KOPPERS BLDG.
PITTSBURGH, PA 15219
Assignment: 4
Reel/Frame:004535/0074   Pages: 1
Recorded: 04/14/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRESSLER, HANS
Exec Dt:
11/20/1984
2
MEILUS, ALBERT A.
Exec Dt:
11/21/1984
Assignee
1
KOPPERS COMPANY, INC., A CORP OF DELAWARE
KOPPERS BUILDING
PITTSBURGH, PENNSYLVANIA 15219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4604491
NONE
06674881
Correspondence name and address
DONALD M. MAC KAY
KOPPERS COMPANY, INC.
1450 KOPPERS BLDG.
PITTSBURGH, PA 15219
Assignment: 5
Reel/Frame:004608/0011   Pages: 1
Recorded: 09/24/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRESSLER, HANS
Exec Dt:
02/28/1985
Assignee
1
KOPPERS COMPANY, INC., KOPPERS BUILDING, PITTSBURGH, PA. 15219, A DE. CORP.
PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4656302
NONE
06709658
Correspondence name and address
DANIEL J. LONG
KOPPERS COMPANY, INC.
1450 KOPPERS BUILDING
PITTSBURGH, PA 15219
Assignment: 6
Reel/Frame:004512/0078   Pages: 1
Recorded: 02/21/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRESSLER, HANS
Exec Dt:
10/04/1985
Assignee
1
KOPPERS CMPANY, INC., A CORP. OF DE.
KOPPERS BUILDING
PITTSBURGH, PENNSYLVANIA 15219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4599464
NONE
06788731
Correspondence name and address
D. M. MAC KAY
1450 KOPPERS BUILDING
PITTSBURGH, PA 15219
Assignment: 7
Reel/Frame:004645/0048   Pages: 1
Recorded: 12/18/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRESSLER, HANS
Exec Dt:
01/06/1986
2
WARD, HANS A.
Exec Dt:
01/06/1986
Assignee
1
KOPPERS COMPANY, INC. A DE. CORP.
KOPPERS BUILDING
PITTSBURGH, PENNSYLVANIA 15219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4645780
NONE
06817984
Correspondence name and address
DANIEL J. LONG
KOPPERS COMPANY, INC.
1450 KOPPERS BLDG.
PITTSBURGH, PA 15219
Assignment: 8
Reel/Frame:004750/0065   Pages: 1
Recorded: 08/17/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRESSLER, HANS
Exec Dt:
01/06/1986
Assignee
1
KOPPERS COMPANY, INC.
KOPPERS BUILDING
A DE CORP.
PITTSBURGH, PENNSYLVANIA 15219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4705879
NONE
06817899
Correspondence name and address
DANIEL J. LONG
KOPPERS COMPANY, INC.
1450 KOPPERS BUILDING
PITTSBURGH, PA 15219
Assignment: 9
Reel/Frame:005265/0300   Pages: 1
Recorded: 03/26/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRESSLER, HANS
Exec Dt:
03/12/1990
Assignee
1
INDSPEC CHEMICAL CORPORATION, 411 SEVENTH AVENUE, PITTSBURGH, PENNSYLVANIA 15219 A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5130489
NONE
07498980
Correspondence name and address
HERBERT J. ZEH, JR.
ECKERT SEAMANS CHERIN & MELLOTT
600 GRANT STREET
FORTY-SECOND FLOOR
PITTSBURGH, PA 15219
Assignment: 10
Reel/Frame:005380/0898   Pages: 3
Recorded: 07/13/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRESSLER, HANS
Exec Dt:
07/10/1990
Assignee
1
INDSPEC CHEMICAL CORPORATION
411 SEVENTH AVENUE
A DE CORP.
PITTSBURGH, PENNSYLVANIA 15219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5059723
NONE
07552428
Correspondence name and address
ARNOLD B. SILVERMAN
ECKERT SEAMANS CHERIN & MELLOTT
600 GRANT ST., 42ND FLR.,
PITTSBURGH, PA 15219
Assignment: 11
Reel/Frame:006126/0704   Pages: 2
Recorded: 03/30/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRESSLER, HANS
Exec Dt:
03/24/1992
2
PETERSON, ALEX, JR.
Exec Dt:
03/24/1992
Assignee
1
INDSPEC CHEMICAL CORPORATION A CORP. OF DELAWARE
411 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5244725
NONE
07840487
Correspondence name and address
CRAIG G. COCHENOUR
ECKERT SEAMANS CHERIN & MELLOTT
600 GRANT ST., 42ND FL
PITTSBURGH, PA 15219

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