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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : LUCHTENBERG, HELMUT
Total Assignments: 6
Assignment: 1
Reel/Frame:004256/0492   Pages: 1
Recorded: 05/02/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/24/1984
2
Exec Dt:
04/24/1984
3
Exec Dt:
04/24/1984
4
Exec Dt:
04/24/1984
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06606104
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:004905/0529   Pages: 1
Recorded: 06/08/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
05/24/1988
2
Exec Dt:
05/24/1988
3
Exec Dt:
05/24/1988
4
Exec Dt:
05/24/1988
Assignee
1
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07204056
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 3
Reel/Frame:005047/0826   Pages: 1
Recorded: 10/20/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
10/11/1988
2
Exec Dt:
10/11/1988
3
Exec Dt:
10/11/1989
4
Exec Dt:
10/03/1988
5
Exec Dt:
10/11/1989
6
Exec Dt:
10/03/1988
7
Exec Dt:
10/11/1988
Assignee
1
KONZERNVERWALTUNG
PATENTABTEILUNG,
5090 LEVERKUSEN-BAYERWERK,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07228636
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 4
Reel/Frame:005062/0655   Pages: 1
Recorded: 04/12/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/30/1989
2
Exec Dt:
03/30/1989
3
Exec Dt:
03/30/1989
4
Exec Dt:
03/30/1989
5
Exec Dt:
03/30/1989
Assignee
1
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07336961
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 5
Reel/Frame:006506/0182   Pages: 2
Recorded: 04/12/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/22/1993
2
Exec Dt:
01/22/1993
3
Exec Dt:
01/22/1993
Assignee
1
D 5090 LEVERKUSEN, BAYER WERK
LEVERKUSEN, GERMANY 5090
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08012119
Correspondence name and address
LEONARD HORN
SPRUNG HORN KRAMER & WOODS
1140 AVE. OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 6
Reel/Frame:008355/0322   Pages: 3
Recorded: 11/21/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/29/1996
2
Exec Dt:
10/29/1996
3
Exec Dt:
11/01/1996
4
Exec Dt:
10/15/1996
5
Exec Dt:
10/15/1996
6
Exec Dt:
10/23/1996
Assignee
1
LEVERKUSEN, GERMANY D 513
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08755381
Correspondence name and address
SPRUNG HORN, KRAMER & WOODS
MARK W. RUSSELL
660 WHITE PLAINS ROAD
TARRYTOWN, NY 1059*1-5144

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