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Patent Assignment Assignor Details
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Assignor Name : HOGSETT, ROBERT F.
Total Assignments: 9
Assignment: 1
Reel/Frame:004226/0134   Pages: 1
Recorded: 02/06/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BECKSTEAD, LEO W.
Exec Dt:
01/18/1984
2
HOGSETT, ROBERT F.
Exec Dt:
01/18/1984
3
VOELKER, DENNIS E.
Exec Dt:
01/18/1984
Assignee
1
AMAX INC.
AMAX CENTER
A NY CORP.
GREENWICH, CONNECTICUT 06830
Property
 
Pat #
Pub #
Intl #
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4490339
NONE
06577103
Correspondence name and address
MICHAEL A. CIOMEK
AMAX INC., AMAX CENTER
P. O. BOX 1700
GREENWICH, CT 06836
Assignment: 2
Reel/Frame:004235/0719   Pages: 2
Recorded: 02/27/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
VOELKER, DENNIS E.
Exec Dt:
02/06/1984
2
BECKSTEAD, LEO W.
Exec Dt:
02/06/1984
3
HOGSETT, ROBERT F.
Exec Dt:
02/13/1984
Assignee
1
AMAX INC., A CORP. OF NY
AMAX CENTER
GREENWICH, CONNECTICUT 06830
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4504448
NONE
06583904
Correspondence name and address
MICHAEL A. CIOMEK
AMAX INC., AMAX CENTER
GREENWICH, CT 06836
Assignment: 3
Reel/Frame:004247/0709   Pages: 2
Recorded: 04/11/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BECKSTEAD, LEO W.
Exec Dt:
03/14/1984
2
HAVELICK, LINN D.
Exec Dt:
03/14/1984
3
HOGSETT, ROBERT F.
Exec Dt:
03/14/1984
Assignee
1
AMAX INC., A CORP OF NY
AMAX CENTER
GREENWICH, CONNECTICUT 06380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4551314
NONE
06599127
Correspondence name and address
MICHAEL A. CIOMEK
GENERAL PATENT COUNSEL
AMAX INC., AMAX CENTER,
P. O. BOX 1700
GREENWICH, CT 06836
Assignment: 4
Reel/Frame:004365/0439   Pages: 2
Recorded: 01/31/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DUYVESTEYN, WILLEM P.C.
Exec Dt:
01/21/1985
2
HOGSETT, ROBERT F.
Exec Dt:
01/29/1985
Assignee
1
AMAX INC., A CORP OF NY
AMAX CENTER
GREENWICH, CONNECTICUT 06830
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4552629
NONE
06696985
Correspondence name and address
MICHAEL A. CIOMEK
AMAX INC., P. O. BOX 1700
GREENWICH, CT 06836-1700
Assignment: 5
Reel/Frame:007867/0534   Pages: 5
Recorded: 02/05/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEPHENS, FRANK M., JR.
Exec Dt:
02/05/1996
2
STEPHENS, FRANK A.
Exec Dt:
02/05/1996
3
HOGSETT, ROBERT F.
Exec Dt:
02/05/1996
Assignee
1
IRON CARBIDE HOLDINGS, LTD.
SUITE 285
3000 YOUNGFIELD STREET
LAKEWOOD, COLORADO 80215
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5733357
NONE
08596954
Correspondence name and address
SHERIDAN ROSS & MCINTOSH
MICHAEL L. TOMPKINS, ESQ.
1700 LINCOLN STREET
SUITE 3500
DENVER, CO 80203
Assignment: 6
Reel/Frame:010947/0488   Pages: 5
Recorded: 07/06/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEPHENS, FRANK M., JR.
Exec Dt:
06/23/2000
2
STEPHENS, FRANK A.
Exec Dt:
06/23/2000
3
HOGSETT, ROBERT F.
Exec Dt:
06/23/2000
4
HAGER, JOHN P., DR.
Exec Dt:
06/23/2000
Assignee
1
IRON CARBIDE HOLDINGS, LTD.
SUITE 285
3000 YOUNGFIELD STREET
LAKEWOOD, COLORADO 80215
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6428763
NONE
09532583
Correspondence name and address
SHERIDAN ROSS P.C.
DOUGLAS W. SWARTZ
1560 BROADWAY, SUITE 1200
DENVER, CO 80202-5141
Assignment: 7
Reel/Frame:014866/0652   Pages: 3
Recorded: 07/19/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOGSETT, ROBERT F.
Exec Dt:
05/24/2004
2
MEYER, PHILIPPUS J.
Exec Dt:
06/22/2004
3
RAY, MICHAEL F.
Exec Dt:
05/25/2004
4
SCHLEGEL, MICHAEL L.
Exec Dt:
05/27/2004
5
SCHULTZ, SHELDON L.
Exec Dt:
06/01/2004
Assignee
1
KFX INC.
55 MADISON STREET, SUITE 745
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7198655
US20050241217
10837998
Correspondence name and address
GORDON K. HARRIS, JR.
P. O. BOX 828
BLOOMFIELD HILLS, MI 48303
Assignment: 8
Reel/Frame:023411/0318   Pages: 4
Recorded: 10/22/2009
Attorney Dkt #:2245-000050/COB
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOGSETT, ROBERT F.
Exec Dt:
05/24/2004
2
MEYER, PHILIPPUS J.
Exec Dt:
06/22/2004
3
RAY, MICHAEL F.
Exec Dt:
05/25/2004
4
SCHLEGEL, MICHAEL L.
Exec Dt:
05/27/2004
5
SCHULTZ, SHELDON L.
Exec Dt:
06/01/2004
Assignee
1
KFX INC.
55 MADISON STREET, SUITE 745
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7842107
US20060248791
11486349
Correspondence name and address
HARNESS, DICKEY & PIERCE, P.L.C.
P. O. BOX 828
BLOOMFIELD HILLS, MI 48303
Assignment: 9
Reel/Frame:023855/0519   Pages: 7
Recorded: 01/27/2010
Attorney Dkt #:2574-08901
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, JOSHUA G.
Exec Dt:
12/04/2008
2
IBSEN, MARK
Exec Dt:
12/09/2008
3
HOGSETT, ROBERT F.
Exec Dt:
12/11/2008
4
WRIGHT, HAROLD A.
Exec Dt:
12/04/2008
Assignee
1
RENTECH, INC.
10877 WILSHIRE BLVD.
LOS ANGELES, CALIFORNIA 90024
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100125107
12616255
Correspondence name and address
TIMOTHY S. WESTBY
P. O. BOX 3267
HOUSTON, TX 77253-3267

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