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Patent Assignment Assignor Details
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Assignor Name : HEITKAMP, DIETER
Total Assignments: 4
Assignment: 1
Reel/Frame:003956/0757   Pages: 2
Recorded: 12/08/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
12/03/1981
2
Exec Dt:
12/03/1981
Assignee
1
POSTFACH 1913
5170 JULICH, GERMANY
Property
 
Pat #
Pub #
Intl #
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NONE
06328654
Correspondence name and address
SCULLY, SCOTT, MURPHY & PRESSER
200 GARDEN CITY PLAZA
GARDEN CITY, NY 11530
Assignment: 2
Reel/Frame:008650/0896   Pages: 3
Recorded: 08/05/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/02/1997
2
Exec Dt:
07/02/1997
3
Exec Dt:
07/07/1997
Assignee
1
LEVERKUSEN, GERMANY D-513
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08906322
Correspondence name and address
SPRUNG KRAMER SCHAEFER & BRISCOE
MR. WILLIAM C. GERSTENZANG
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591-5144
Assignment: 3
Reel/Frame:008756/0246   Pages: 3
Recorded: 08/05/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/01/1997
2
Exec Dt:
07/02/1997
3
Exec Dt:
07/07/1997
4
Exec Dt:
07/10/1997
Assignee
1
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08910442
Correspondence name and address
SPRUNG KRAMER SCHAEFER & BRISCOE
WILLIAM C. GERSTENZANG
660 WHITE PLAINS ROAD
TARRYTOWN, NEW YORK 10591-5144
Assignment: 4
Reel/Frame:041797/0705   Pages: 6
Recorded: 03/30/2017
Attorney Dkt #:BMS131048
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/03/2017
2
Exec Dt:
03/01/2017
3
Exec Dt:
02/22/2017
4
Exec Dt:
02/22/2017
5
Exec Dt:
03/17/2017
Assignee
1
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15503515
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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