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

Reel/Frame:005702/0705   Pages: 6
Recorded: 05/20/1991
Conveyance: NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 04/30/1990
Total properties: 11
1
Patent #:
Issue Dt:
Application #:
04829700
Filing Dt:
Title:
2
Patent #:
Issue Dt:
Application #:
05370633
Filing Dt:
Title:
3
Patent #:
Issue Dt:
10/11/1977
Application #:
05723083
Filing Dt:
09/14/1976
Title:
4
Patent #:
Issue Dt:
Application #:
05815076
Filing Dt:
Title:
5
Patent #:
Issue Dt:
11/27/1979
Application #:
05855430
Filing Dt:
11/28/1977
Title:
NEW PARTICLE GAMMA FERRIC OXIDE
6
Patent #:
Issue Dt:
06/10/1980
Application #:
05860710
Filing Dt:
12/15/1977
Title:
FLUE GAS SCRUBBER
7
Patent #:
Issue Dt:
06/30/1981
Application #:
06054393
Filing Dt:
07/02/1979
Title:
COBALT MODIFIED MAGNETIC IRON OXIDE
8
Patent #:
Issue Dt:
12/15/1981
Application #:
06156559
Filing Dt:
06/05/1980
Title:
METALLIC IRON PARTICLES FOR MAGNETIC RECORDING
9
Patent #:
Issue Dt:
05/10/1983
Application #:
06223461
Filing Dt:
01/08/1981
Title:
SYNTHETIC RHOMBOHEDRAL MAGNETITE PIGMENT
10
Patent #:
Issue Dt:
06/28/1988
Application #:
06873008
Filing Dt:
06/11/1986
Title:
CEMENT PRODUCTS CONTAINING SURFACE TREATED INORGANIC PARTICULATES
11
Patent #:
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
Assignors
1
Exec Dt:
04/09/1991
2
Exec Dt:
04/15/1991
Assignee
1
A CORPORATION OF DELAWARE
C/O HARRISONS & CROSFIELD (AMERICA) INC. 560 JEFFERSON BLVD., SUITE 205
WARWICK, RHODE ISLAND 02586
Correspondence name and address
DONALD F. MCLELLAN
WINTHROP, STIMSON, PUTNAM & ROBERTS
ONE BATTERY PARK PLAZA
NEW YORK, NY. 10004-1490

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