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Patent Assignment Assignor Details
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Assignor Name : KREH, ROBERT P.
Total Assignments: 19
Assignment: 1
Reel/Frame:004619/0980   Pages: 2
Recorded: 10/23/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KREH, ROBERT P.
Exec Dt:
05/28/1986
2
SPOTNITZ, ROBERT M.
Exec Dt:
05/28/1986
Assignee
1
W.R. GRACE & CO., A CORP OF CT.
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4647349
NONE
06859565
Correspondence name and address
W. R. GRACE & CO.
PATENT DEPT.
7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 2
Reel/Frame:004619/0988   Pages: 2
Recorded: 10/23/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KREH, ROBERT P.
Exec Dt:
05/28/1986
2
SPOTNITZ, ROBERT M.
Exec Dt:
05/28/1986
Assignee
1
W.R. GRACE & CO., A CORP OF CT.
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4639298
NONE
06859548
Correspondence name and address
W. R. GRACE AND CO.
PATENT DEPT., 7379 ROUTE 32
COLUMBIA, MD 21044
HOWARD J. TROFFKIN
Assignment: 3
Reel/Frame:004683/0023   Pages: 2
Recorded: 03/06/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KREH, ROBERT P.
Exec Dt:
11/07/1986
2
SPOTNITZ, ROBERT M.
Exec Dt:
11/07/1986
Assignee
1
W.R. GRACE & CO.
1114 AVE. OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4670108
NONE
06917442
Correspondence name and address
HOWARD J. TROFFKIN
W.R. GRACE & CO.
PATENT DEPARTMENT
7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 4
Reel/Frame:004741/0590   Pages: 1
Recorded: 08/14/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
KREH, ROBERT P.
Exec Dt:
11/07/1986
Assignee
1
W.R. GRACE & CO., A CORP. OF CT
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4794172
NONE
06917462
Correspondence name and address
HOWARD J. TROFFKIN
W. R. GRACE AND CO.
PATENT DEPT., 7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 5
Reel/Frame:004724/0826   Pages: 2
Recorded: 06/19/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SPOTNITZ, ROBERT M.
Exec Dt:
01/05/1987
2
KREH, ROBERT P.
Exec Dt:
01/05/1987
Assignee
1
W.R. GRACE & CO, A CORP. OF CT.
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4692227
NONE
06936521
Correspondence name and address
HOWARD J. TROFFKIN
W. R. GRACE & CO.,
PATENT DEPT.,
7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 6
Reel/Frame:004743/0758   Pages: 1
Recorded: 07/22/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
KREH, ROBERT P.
Exec Dt:
03/30/1987
Assignee
1
W.R. GRACE & CO.
1114 AVENUE OF THE AMERICAS
A CORP. OF CT
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4701245
NONE
06942758
Correspondence name and address
HOWARD J. TROFFKIN
W. R. GRACE & CO.
7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 7
Reel/Frame:005264/0516   Pages: 2
Recorded: 03/29/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KREH, ROBERT P.
Exec Dt:
07/13/1988
2
LUNDQUIST, JOSEPH T.
Exec Dt:
07/13/1988
3
HENRY, WAYNE L.
Exec Dt:
07/13/1988
Assignee
1
W. R. GRACE & CO.-CONN., 1114 AVENUE OF THE AMERICAS, NY, NY 10036, A CORP. OF CT.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4935205
NONE
07206154
Correspondence name and address
HOWARD J. TROFFKIN
W. R. GRACE & CO.
PATENT DEPT.
7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 8
Reel/Frame:005591/0295   Pages: 5
Recorded: 02/06/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KREH, ROBERT P.
Exec Dt:
06/20/1989
2
LUNDQUIST, JOSEPH T.
Exec Dt:
06/20/1989
3
HENRY, WAYNE L.
Exec Dt:
06/20/1989
4
KELLY, JOHN A.
Exec Dt:
06/19/1989
5
KUHN, VINCENT R.
Exec Dt:
06/19/1989
Assignee
1
W.R. GRACE & CO.-CONN.
1114 AVENUE OF THE AMERICAS
A CORP. OF CT
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5022926
NONE
07353231
Correspondence name and address
B. JOHNSON
W. R. GRACE & CO.-CONN.
PATENT DEPARTMENT
7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 9
Reel/Frame:005725/0724   Pages: 3
Recorded: 06/10/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KREH, ROBERT P.
Exec Dt:
07/31/1990
2
CARTER, CHARLES G.
Exec Dt:
07/31/1990
Assignee
1
W. R. GRACE & CO.-CONN., A CORPORATION OF CT
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5043099
NONE
07554041
Correspondence name and address
HOWARD J. TROFFKIN
PATENT DEPARTMENT
7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 10
Reel/Frame:005797/0772   Pages: 2
Recorded: 08/12/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
KREH, ROBERT P.
Exec Dt:
08/28/1990
Assignee
1
W. R. GRACE & CO.-CONN., A CORPORATION OF CT
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5073339
NONE
07571063
Correspondence name and address
HOWARD J. TROFFKIN
W.R. GRACE & CO.-CONN.
PATENT DEPARTMENT
7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 11
Reel/Frame:005978/0623   Pages: 3
Recorded: 01/21/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GARTNER, ELLIS M.
Exec Dt:
08/05/1991
2
KREH, ROBERT P.
Exec Dt:
07/30/1991
Assignee
1
W. R. GRACE & CO.-CONN
A CORP. OF CT.
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5102467
NONE
07732872
Correspondence name and address
HOWARD J. TROFFKIN
W. R. GRACE & CO. - CONN.
PATENT DEPARTMENT
7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 12
Reel/Frame:006296/0549   Pages: 3
Recorded: 09/30/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KREH, ROBERT P.
Exec Dt:
08/05/1991
2
HENRY, WAYNE L.
Exec Dt:
08/05/1991
Assignee
1
W.R. GRACE & CO.-CONN.
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5183573
NONE
07733527
Correspondence name and address
JAMES P. BARR
PATENT DEPARTMENT
W. R. GRACE & CO.-CONN
7379 ROUTE 32 21044
COLUMBIA, MD 21044
Assignment: 13
Reel/Frame:006296/0546   Pages: 3
Recorded: 09/30/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CARTER, CHARLES G.
Exec Dt:
10/08/1991
2
JOVANCICEVIC, VLADIMIR
Exec Dt:
10/11/1991
3
HARTMAN, JUDITHANN R.
Exec Dt:
10/11/1991
4
KREH, ROBERT P.
Exec Dt:
10/11/1991
Assignee
1
W. R. GRACE & CO.-CONN.
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5183590
NONE
07782359
Correspondence name and address
JAMES P. BARR
PATENT DEPARTMENT
7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 14
Reel/Frame:006096/0788   Pages: 5
Recorded: 04/29/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KREH, ROBERT P.
Exec Dt:
11/11/1991
2
KUHN, VINCENT R.
Exec Dt:
11/21/1991
3
RICHARDSON, JOHN
Exec Dt:
11/21/1991
4
SPOTNITZ, ROBERT M.
Exec Dt:
11/11/1991
5
CARTER, CHARLES G.
Exec Dt:
10/08/1991
6
JOVANCICEVIC, VLADIMIR
Exec Dt:
11/11/1991
Assignee
1
W. R. GRACE & CO.-CONN.
A CORPORATON OF CT
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5130052
NONE
07782361
Correspondence name and address
JAMES P. BARR
W. R. GRACE & CO.-CONN
PATENT DEPT.
7379 ROTUE 32
COLUMBIA, MD 21044
Assignment: 15
Reel/Frame:006115/0017   Pages: 3
Recorded: 05/28/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CARTER, CHARLES G.
Exec Dt:
10/08/1991
2
KREH, ROBERT P.
Exec Dt:
11/11/1991
3
FAN, LAI-DUIEN G.
Exec Dt:
11/18/1991
Assignee
1
W. R. GRACE & CO.-CONN. A CORP. OF CONNECTICUT
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5139702
NONE
07782360
Correspondence name and address
JAMES P. BARR
W. R. GRACE & CO.-CONN.
PATENT DEPT.
7379 RT. 32
COLUMBIA, MD 21044
Assignment: 16
Reel/Frame:006434/0491   Pages: 2
Recorded: 03/02/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
KREH, ROBERT P.
Exec Dt:
11/11/1991
Assignee
1
W. R. GRACE & CO.-CONN.
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5223146
NONE
07773831
Correspondence name and address
W. R. GRACE & CO.-CONN.
JAMES P. BARR
7379 ROUTE 32
COLUMBIA, MARYLAND 21044
Assignment: 17
Reel/Frame:006300/0318   Pages: 6
Recorded: 09/30/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HWA, CHIH M.
Exec Dt:
01/02/1992
2
KELLY, JOHN A.
Exec Dt:
01/02/1992
3
TAI, WUN T.
Exec Dt:
01/03/1992
4
FAN, LAI-DUIEN G.
Exec Dt:
01/02/1992
5
KREH, ROBERT P.
Exec Dt:
12/02/1991
6
GREAVES, BRIAN
Exec Dt:
01/14/1992
Assignee
1
W. R. GRACE & CO.-CONN.
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5183574
NONE
07793760
Correspondence name and address
JAMES P. BARR
W. R. GRACE & CO.-CONN.
7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 18
Reel/Frame:006308/0023   Pages: 3
Recorded: 09/04/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
KREH, ROBERT P.
Exec Dt:
06/13/1992
Assignee
1
W.R. GRACE & CO.-CONN.
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5171477
NONE
07708335
Correspondence name and address
JAMES P. BARR
W. R. GRACE & CO.-CONN.
7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 19
Reel/Frame:006962/0445   Pages: 4
Recorded: 04/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CARTER, CHARLES G.
Exec Dt:
02/24/1994
2
FAN, LAI-DUIEN G.
Exec Dt:
02/16/1994
3
FAN, JOSEPH CHWEI-JER
Exec Dt:
02/16/1994
4
KREH, ROBERT P.
Exec Dt:
02/03/1994
5
JOVANCICEVIC, VLADIMIR
Exec Dt:
02/03/1994
Assignee
1
W. R. GRACE & CO.-CONN.
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5344590
NONE
08002356
Correspondence name and address
JAMES P. BARR
W. R. GRACE & CO.-CONN.
PATENT DEPARTMENT
7379 ROUTE 32
COLUMBIA, MD 21044

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