skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
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 : STEFKO, BELA
Total Assignments: 21
Assignment: 1
Reel/Frame:004226/0185   Pages: 1
Recorded: 02/06/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
01/13/1984
2
Exec Dt:
01/13/1984
3
Exec Dt:
01/13/1984
4
Exec Dt:
01/13/1984
Assignee
1
GYOMROI UT 19/21
H-1475 BUDAPEST X, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06577189
Correspondence name and address
KARL F. ROSS
5676 RIVERDALE AVE.
NEW YORK, NY 10471
Assignment: 2
Reel/Frame:004394/0269   Pages: 1
Recorded: 04/05/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/07/1985
2
Exec Dt:
03/07/1985
3
Exec Dt:
03/07/1985
4
Exec Dt:
03/07/1985
5
Exec Dt:
03/07/1985
Assignee
1
BUDAPEST,, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06706705
Correspondence name and address
KARL F. ROSS
5676 RIVERDALE AVE.
NEW YORK, NY 10471
Assignment: 3
Reel/Frame:004438/0031   Pages: 1
Recorded: 08/01/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/13/1985
2
Exec Dt:
03/13/1985
3
Exec Dt:
03/13/1985
4
Exec Dt:
03/13/1985
Assignee
1
GYOMROI UT 19/21
BUDAPEST X, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06706707
Correspondence name and address
KARL F. ROSS
5676 RIVERDALE AVE.
NEW YORK, NY 10471
Assignment: 4
Reel/Frame:004418/0941   Pages: 1
Recorded: 06/10/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/12/1985
2
Exec Dt:
04/12/1985
3
Exec Dt:
04/12/1985
4
Exec Dt:
04/12/1985
Assignee
1
GYOMROI UT 19/21
BUDAPEST X, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06718917
Correspondence name and address
KARL F. ROSS
5676 RIVERDALE AVENUE
NEW YORK, NY 10471
Assignment: 5
Reel/Frame:004541/0180   Pages: 2
Recorded: 04/18/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/17/1986
2
Exec Dt:
03/17/1986
3
Exec Dt:
03/17/1986
4
Exec Dt:
03/17/1986
5
Exec Dt:
03/17/1986
6
Exec Dt:
03/17/1986
7
Exec Dt:
03/17/1986
8
Exec Dt:
03/17/1986
9
Exec Dt:
03/17/1986
10
Exec Dt:
03/17/1986
11
Exec Dt:
03/17/1986
12
Exec Dt:
03/17/1986
13
Exec Dt:
03/17/1986
Assignee
1
GYOMROI U. 19-21
BUDAPEST X, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06853844
Correspondence name and address
KARL F. ROSS
5676 RIVERDALE AVE.
NEW YORK, NY 10471
Assignment: 6
Reel/Frame:004572/0002   Pages: 1
Recorded: 05/09/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/15/1986
2
Exec Dt:
04/15/1986
3
Exec Dt:
04/15/1986
4
Exec Dt:
04/15/1986
Assignee
1
19-21, GYOMROI UT
BUDAPEST X, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06861550
Correspondence name and address
FIRM OF KARL F. ROSS
5676 RIVERDALE AVENUE
NEW YORK, NY 10471
Assignment: 7
Reel/Frame:004546/0770   Pages: 1
Recorded: 05/14/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/21/1986
2
Exec Dt:
04/21/1986
3
Exec Dt:
04/21/1986
4
Exec Dt:
04/21/1986
5
Exec Dt:
04/21/1986
6
Exec Dt:
04/21/1986
7
Exec Dt:
04/21/1986
8
Exec Dt:
04/21/1986
9
Exec Dt:
04/21/1986
Assignee
1
19-21 GYOMROI UT
BUDAPEST, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06828011
Correspondence name and address
KARL F. ROSS
5676 RIVERDALE AVE.
NEW YORK, NY 10471
Assignment: 8
Reel/Frame:004565/0092   Pages: 2
Recorded: 05/30/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
05/09/1986
2
Exec Dt:
05/09/1986
3
Exec Dt:
05/09/1986
4
Exec Dt:
05/09/1986
5
Exec Dt:
05/09/1986
6
Exec Dt:
05/09/1986
7
Exec Dt:
05/09/1986
Assignee
1
GYOMROI U. 19-21
BUDAPEST X, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06869203
Correspondence name and address
KARL F. ROSS
5676 RIVERDALE AVENUE
NEW YORK, NY 10471
Assignment: 9
Reel/Frame:004755/0501   Pages: 1
Recorded: 08/27/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
05/13/1986
2
Exec Dt:
05/13/1986
3
Exec Dt:
05/13/1986
4
Exec Dt:
05/13/1986
5
Exec Dt:
05/13/1986
6
Exec Dt:
05/13/1986
7
Exec Dt:
05/13/1986
8
Exec Dt:
05/13/1986
9
Exec Dt:
05/13/1986
10
Exec Dt:
05/13/1986
11
Exec Dt:
05/13/1986
12
Exec Dt:
05/13/1986
13
Exec Dt:
05/13/1986
Assignee
1
19-21, GYOMROI U.
BUDAPEST, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06833834
Correspondence name and address
KARL F. ROSS
5676 RIVERDALE AVENUE
NEW YORK, NY 10471
Assignment: 10
Reel/Frame:004569/0407   Pages: 3
Recorded: 06/23/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
05/15/1986
2
Exec Dt:
05/15/1986
3
Exec Dt:
05/15/1986
4
Exec Dt:
05/15/1986
5
Exec Dt:
05/15/1986
6
Exec Dt:
05/15/1986
7
Exec Dt:
05/15/1986
8
Exec Dt:
05/15/1986
9
Exec Dt:
05/15/1986
10
Exec Dt:
05/15/1986
11
Exec Dt:
05/15/1986
12
Exec Dt:
05/15/1986
13
Exec Dt:
05/15/1986
14
Exec Dt:
05/15/1986
15
Exec Dt:
05/15/1986
Assignee
1
GYOMROI UT. 19-21
BUDAPEST, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06877298
Correspondence name and address
KARL F. ROSS
5676 RIVERDALE AVE.
NEW YORK, NY 10471
Assignment: 11
Reel/Frame:004693/0192   Pages: 1
Recorded: 04/21/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
02/20/1987
2
Exec Dt:
02/20/1987
3
Exec Dt:
02/20/1987
4
Exec Dt:
02/20/1987
5
Exec Dt:
02/20/1987
6
Exec Dt:
02/20/1987
7
Exec Dt:
02/20/1987
8
Exec Dt:
02/20/1987
9
Exec Dt:
02/20/1987
10
Exec Dt:
02/20/1987
11
Exec Dt:
02/20/1987
Assignee
1
GYOMROI UT 19-21
BUDAPEST X, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07040938
Correspondence name and address
KARL F. ROSS
5676 RIVERDALE AVENUE
NEW YORK, NY 10471
Assignment: 12
Reel/Frame:004760/0764   Pages: 1
Recorded: 06/05/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
05/15/1987
2
Exec Dt:
05/15/1987
3
Exec Dt:
05/15/1987
4
Exec Dt:
05/15/1987
5
Exec Dt:
05/15/1987
6
Exec Dt:
05/15/1987
7
Exec Dt:
05/15/1987
8
Exec Dt:
05/15/1987
9
Exec Dt:
05/15/1987
Assignee
1
GYOMROI UT 19-21
1103 BUDAPEST, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07058576
Correspondence name and address
KARL F. ROSS
5676 RIVERDALE AVENUE
NEW YORK, NY 10471
Assignment: 13
Reel/Frame:004751/0296   Pages: 2
Recorded: 07/10/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
06/12/1987
2
Exec Dt:
06/12/1987
3
Exec Dt:
06/12/1987
4
Exec Dt:
06/12/1987
5
Exec Dt:
06/12/1987
6
Exec Dt:
06/12/1987
7
Exec Dt:
06/12/1987
8
Exec Dt:
06/12/1987
9
Exec Dt:
06/12/1987
10
Exec Dt:
06/12/1987
11
Exec Dt:
06/12/1987
Assignee
1
19-21., GYOMROI U.
BUDAPEST X, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07072010
Correspondence name and address
KEIL & WEINKAUF
1101 CONN AVE., N. W.
WASHINGTON, DC 20036
Assignment: 14
Reel/Frame:004972/0351   Pages: 2
Recorded: 10/28/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
10/10/1988
2
Exec Dt:
10/10/1988
3
Exec Dt:
10/10/1988
4
Exec Dt:
10/10/1988
5
Exec Dt:
10/10/1988
6
Exec Dt:
10/10/1988
7
Exec Dt:
10/10/1988
8
Exec Dt:
10/10/1988
Assignee
1
19-21, GYOMROI UT
A CORP. OF HUNGARY
BUDAPEST X, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07248969
Correspondence name and address
HERBERT DUBNO
THE FIRM OF KARL F. ROSS
5676 RIVERDALE AVE.
P.O. BOX 900
NEW YORK, NY 10471-0900
Assignment: 15
Reel/Frame:005408/0474   Pages: 4
Recorded: 07/27/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
05/31/1990
2
Exec Dt:
06/18/1990
3
Exec Dt:
06/16/1990
4
Exec Dt:
05/31/1990
5
Exec Dt:
06/13/1990
6
Exec Dt:
05/31/1990
7
Exec Dt:
05/31/1990
8
Exec Dt:
05/31/1990
9
Exec Dt:
06/01/1990
10
Exec Dt:
05/31/1990
11
Exec Dt:
06/18/1990
12
Exec Dt:
05/31/1990
13
Exec Dt:
05/31/1990
14
Exec Dt:
05/31/1990
15
Exec Dt:
05/31/1990
16
Exec Dt:
06/21/1990
Assignee
1
19-21 GYOMROI UT
1475 BUDAPEST, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07542485
Correspondence name and address
HERBERT DUBNO
KARL F. ROSS, P.C.
P.O. BOX 900
5676 RIVERDALE AVE.
NEW YORK, NY 10471-0900
Assignment: 16
Reel/Frame:005545/0562   Pages: 2
Recorded: 12/17/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/06/1990
2
Exec Dt:
11/06/1990
3
Exec Dt:
11/05/1990
4
Exec Dt:
11/05/1990
Assignee
1
19-21, GYOMROI UT
1475 BUDAPEST, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07598404
Correspondence name and address
KARL F. ROSS
5676 RIVERDALE AVE.
P.O. BOX 900
NEW YORK, NY 10471-0900
Assignment: 17
Reel/Frame:006796/0596   Pages: 3
Recorded: 12/08/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/25/1993
2
Exec Dt:
10/20/1993
3
Exec Dt:
11/19/1993
4
Exec Dt:
11/19/1993
5
Exec Dt:
11/13/1993
6
Exec Dt:
11/13/1993
7
Exec Dt:
10/06/1993
Assignee
1
19-21 GYOMROI UT.
BUDAPEST, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07828870
Correspondence name and address
HERBERT DUBNO
THE FIRM OF KARL F. ROSS, P.C.
5676 RIVERDALE AVE.
P.O. BOX 900
RIVERDALE (BRONX), N.Y. 10471-0900
Assignment: 18
Reel/Frame:007262/0860   Pages: 3
Recorded: 11/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/21/1994
2
Exec Dt:
11/02/1994
3
Exec Dt:
10/26/1994
4
Exec Dt:
11/02/1994
5
Exec Dt:
10/27/1994
6
Exec Dt:
10/31/1994
7
Exec Dt:
10/13/1994
8
Exec Dt:
10/13/1994
9
Exec Dt:
11/06/1994
10
Exec Dt:
10/27/1994
Assignee
1
19-21 GYOMROI UT.
BUDAPEST, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08345233
Correspondence name and address
HERBERT DUBNO
THE FIRM OF KARL F. ROSS P.C.
5676 RIVERDALE AVENUE BOX 900
RIVERDALE(BRONX), NY 10471-0900
Assignment: 19
Reel/Frame:007642/0743   Pages: 3
Recorded: 09/08/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/22/1995
2
Exec Dt:
08/28/1995
3
Exec Dt:
08/02/1995
4
Exec Dt:
08/09/1995
5
Exec Dt:
08/17/1995
6
Exec Dt:
08/25/1995
7
Exec Dt:
07/26/1995
8
Exec Dt:
07/26/1995
9
Exec Dt:
08/30/1995
10
Exec Dt:
08/04/1995
Assignee
1
19-21 GYOMROI UT.
BUDAPEST, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07949030
Correspondence name and address
HERBERT DUBNO
THE FIRM OF KARL F. ROSS P.C.
5676 RIVERDALE AVENUE BOX 900
RIVERDALE (BRONX), NY 10471-0900
Assignment: 20
Reel/Frame:010361/0447   Pages: 2
Recorded: 03/04/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/26/1999
2
Exec Dt:
03/01/1999
3
Exec Dt:
03/01/1999
4
Exec Dt:
02/26/1999
Assignee
1
19-21 GYOMROI UT.
BUDAPEST, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09254386
Correspondence name and address
THE FIRM OF KARL F. ROSS P.C.
HERBERT DUBNO
5676 RIVERDALE AVENUE BOX 900
RIVERDALE (BRONX), NY 10471-0900
Assignment: 21
Reel/Frame:010432/0369   Pages: 3
Recorded: 10/25/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/05/1999
2
Exec Dt:
10/05/1999
3
Exec Dt:
10/05/1999
4
Exec Dt:
10/05/1999
5
Exec Dt:
10/05/1999
6
Exec Dt:
10/05/1999
7
Exec Dt:
10/05/1999
Assignee
1
19-21 GYOMROI UT.
BUDAPEST, HUNGARY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09403714
Correspondence name and address
THE FIRM OF KARL F. ROSS P.C.
HERBERT DUBNO
5676 RIVERDALE AVENUE BOX 900
RIVERDALE (BRONX), NY 10471-0900

Search Results as of: 05/03/2024 08:27 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT