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 : SEIFRIED, WALTER
Total Assignments: 9
Assignment: 1
Reel/Frame:004129/0588   Pages: 2
Recorded: 05/26/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ANDRAE, KLAUS
Exec Dt:
03/19/1981
2
HUTSCHENREUTER, ELFRIEDE
Exec Dt:
03/19/1981
3
SEIFRIED, WALTER
Exec Dt:
03/19/1981
Assignee
1
HOECHST AKTIENGESELLSCHAFT
A CORP. OF GERMANY
FRANKFURT/MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4401135
NONE
06250728
Correspondence name and address
SCHWARTZ, JEFFERY, SCHWAAB,
MACK, BLUMENTHAL & KOCH
111 N. ALFRED ST.
ALEXANDRIA, VA 22313
Assignment: 2
Reel/Frame:004126/0271   Pages: 2
Recorded: 05/16/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KLENK, LUDWIG
Exec Dt:
11/12/1981
2
PORRMANN, HERBERT
Exec Dt:
11/12/1981
3
SEIFRIED, WALTER
Exec Dt:
11/12/1981
4
STENGER, KARL
Exec Dt:
11/12/1981
Assignee
1
HOECHST AKTIENGESELLSCHAFT
A CORP. OF GERMANY
FRANKFURT/MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4396039
NONE
06325001
Correspondence name and address
SCHWARTZ, JEFFERY, SCHWAAB,
MAKC, BLUMENTHAL & KOCH
P. O. BOX 299
ALEXANDRIA, VA 22313
Assignment: 3
Reel/Frame:004129/0592   Pages: 2
Recorded: 05/26/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PORRMANN, HERBERT
Exec Dt:
11/12/1981
2
SEIFRIED, WALTER
Exec Dt:
11/12/1981
3
KLENK, LUDWIG
Exec Dt:
11/12/1981
4
STENGER, KARL
Exec Dt:
11/12/1981
Assignee
1
HOECHST AKTIENGESELLSCHAFT
A CORP. OF GERMANY
FRANKFURT/MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4401136
NONE
06325041
Correspondence name and address
SCHWARTZ, JEFFERY, SCHWAAB,
MACK, BLUMENTHAL AND KOCH
P. O. BOX 299
ALEXANDRIA, VA 22313
Assignment: 4
Reel/Frame:004300/0607   Pages: 2
Recorded: 09/17/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WALCH, AXEL
Exec Dt:
07/14/1982
2
SEIFRIED, WALTER
Exec Dt:
07/14/1982
3
MICHEL, WOLFGANG
Exec Dt:
07/14/1982
4
KUHLS, JUERGEN
Exec Dt:
07/16/1982
5
WILDHARDT, JUERGEN
Exec Dt:
07/14/1982
Assignee
1
HOECHST AKTIENGESELLSCHAFT A CORP. OF GERMANY
FRANKFURT/MAIN,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4499211
NONE
06402266
Correspondence name and address
SCHWARTZ, JEFFERY, SCHWAAB, MACK
BLUMENTHAL & KOCH
P. O. BOX 299
ALEXANDRIA, VA 22313
Assignment: 5
Reel/Frame:004458/0452   Pages: 2
Recorded: 09/23/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WALCH, AXEL
Exec Dt:
07/14/1982
2
SEIFRIED, WALTER
Exec Dt:
07/14/1982
3
MICHEL, WOLFGANG
Exec Dt:
07/14/1982
4
KUHLS, JUERGEN
Exec Dt:
07/16/1982
5
WILDHARDT, JUERGEN
Exec Dt:
07/14/1982
Assignee
1
HOECHST AKTIENGESELLSCHAFT
A CORP OF GERMANY
FRANKFURT/MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4557955
NONE
06402265
Correspondence name and address
LAW OFFICES
SCHWARTZ,JEFFERY,SCHWAAB,MACK,BLUMENTHAL
& EVANS,P.C. ,P.O.BOX 299
111 NORTH ALFRED STREET
ALEXANDRIA,VIRGINIA 22313
Assignment: 6
Reel/Frame:004480/0438   Pages: 2
Recorded: 11/25/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SEIFRIED, WALTER
Exec Dt:
11/18/1985
2
ENGEL, DIETER
Exec Dt:
11/18/1985
3
DENNELER, WERNER
Exec Dt:
11/18/1985
Assignee
1
HOECHST AKTIENGESELLSCHAFT, A CORP OF GERMANY
FRANKFURT/MAIN,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4568616
NONE
06600258
Correspondence name and address
MICHAEL J.TULLY
GENERAL PATENT COUNSEL
AMERICAN HOECHST CORPORATION
SOMERVILLE, NJ 08876
Assignment: 7
Reel/Frame:004834/0479   Pages: 2
Recorded: 03/04/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DALLMANN, HERMANN
Exec Dt:
12/20/1985
2
SEIFRIED, WALTER
Exec Dt:
12/20/1985
3
SCHAEFER, WERNER
Exec Dt:
12/23/1985
4
JANOCHA, SIEGFRIED
Exec Dt:
12/23/1985
5
HENSEL, HARMUT
Exec Dt:
12/23/1985
Assignee
1
HOECHST AKTIENGESELLSCHAFT, A CORP. OF GERMANY
FRANKFURT/MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4746703
NONE
06817214
Correspondence name and address
CELANESE FIBERS OPERATION
P.O. BOX 32414
CHARLOTTE, NC 28232
Assignment: 8
Reel/Frame:004507/0181   Pages: 2
Recorded: 01/17/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SEIFRIED, WALTER
Exec Dt:
01/13/1986
2
CRASS, GUENTHER
Exec Dt:
01/13/1986
Assignee
1
HOECHST AKTIENGESELLSCHAFT, A CORP OF GERMANY
FRANKFURT/MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4716068
NONE
06819631
Correspondence name and address
SCHWARTZ, JEFFERY, SCHWAAB, MACK,
BLUMENTHAL & EVANS
111 NORTH ALFRED ST.
P. O. BOX 299
ALEXANDRIA, VA 22313
Assignment: 9
Reel/Frame:005671/0579   Pages: 3
Recorded: 04/09/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SEIFRIED, WALTER
Exec Dt:
03/04/1991
2
DINTER, PETER
Exec Dt:
03/04/1991
3
COUTANDIN, JOCHEN
Exec Dt:
03/04/1991
Assignee
1
HOECHST AKTIENGESELLSCHAFT, FRANKFURT/MAIN, FED. REP. OF GERMANY, A CORP. OF FED. REP. OF GERMANY
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5228944
NONE
07654968
Correspondence name and address
EUGENE M. LEE
FOLEY & LARDNER
P.O. BOX 299
ALEXANDRIA, VA. 22313-0299

Search Results as of: 05/27/2024 01:24 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