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Patent Assignment Assignor Details
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Assignor Name : GELFAND, ERWIN W.
Total Assignments: 17
Assignment: 1
Reel/Frame:007194/0220   Pages: 3
Recorded: 11/04/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/17/1994
2
Exec Dt:
10/17/1994
Assignee
1
1400 JACKSON STREET
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08283707
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
GORDON KIT
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3202
Assignment: 2
Reel/Frame:008058/0283   Pages: 4
Recorded: 08/02/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/19/1996
2
Exec Dt:
07/19/1996
Assignee
1
1400 JACKSON STREET
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08656563
Correspondence name and address
SHERIDAN ROSS & MCINTOSH
JOSEPH E. KOVARIK, ESQ.
1700 LINCOLN STREET, SUITE 3500
DENVER, CO 80203
Assignment: 3
Reel/Frame:008529/0483   Pages: 4
Recorded: 05/02/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/31/1997
2
Exec Dt:
03/31/1997
Assignee
1
RM. F202
1400 JACKSON STREET
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08769747
Correspondence name and address
SHERIDAN ROSS P.C.
JOSEPH E. KOVARIK, ESQ.
1700 LINCOLN STREET
SUITE 3500
DENVER, CO 80203
Assignment: 4
Reel/Frame:008649/0638   Pages: 4
Recorded: 08/11/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/02/1997
2
Exec Dt:
07/01/1997
Assignee
1
1400 JACKSON STREET
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08807332
Correspondence name and address
SHERIDAN ROSS P.C.
JOSEPH E. KOVARIK
1700 LINCOLN STREET, SUITE 3500
DENVER, COLORADO 80203
Assignment: 5
Reel/Frame:011617/0948   Pages: 4
Recorded: 03/14/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/14/2001
2
Exec Dt:
03/14/2001
Assignee
1
1400 JACKSON ST.
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09809753
Correspondence name and address
SHERIDAN ROSS P.C.
ANGELA DALLAS-PEDRETTI
1560 BROADWAY, SUITE 1200
DENVER, CO 80202-5141
Assignment: 6
Reel/Frame:013517/0217   Pages: 5
Recorded: 11/21/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/07/2002
2
Exec Dt:
11/06/2002
3
Exec Dt:
09/17/2002
4
Exec Dt:
09/17/2002
Assignee
1
1400 JACKSON ST.
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10012597
Correspondence name and address
SHERIDAN ROSS P.C.
ANGELA K. DALLAS
1560 BROADWAY, SUITE 1200
DENVER, COLORADO 80202-5141
Assignment: 7
Reel/Frame:013517/0189   Pages: 3
Recorded: 11/21/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
11/04/2002
Assignee
1
1400 JACKSON ST.
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09104759
Correspondence name and address
SHERIDAN ROSS P.C.
ANGELA K. DALLAS
1560 BROADWAY
STE. 1200
DENVER, CO 80202-5141
Assignment: 8
Reel/Frame:014966/0147   Pages: 4
Recorded: 02/05/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/28/1998
2
Exec Dt:
06/25/1998
3
Exec Dt:
06/25/1998
4
Exec Dt:
11/04/2002
Assignee
1
1400 JACKSON ST.
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10772913
Correspondence name and address
HOGAN HARTSON LLP
STEVEN C. PETERSEN
ONE TABOR CENTER
1200 17TH STREET, SUITE 1500
DENVER, CO 80202
Assignment: 9
Reel/Frame:020722/0197   Pages: 3
Recorded: 03/27/2008
Attorney Dkt #:577712000502
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/30/2005
2
Exec Dt:
06/28/2005
Assignee
1
1400 JACKSON STREET
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11888997
Correspondence name and address
DAVID HOFFMAN
MORRISON & FOERSTER LLP
755 PAGE MILL ROAD
PALO ALTO, CA 94304-1018
Assignment: 10
Reel/Frame:020852/0284   Pages: 6
Recorded: 04/24/2008
Attorney Dkt #:577712000510
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/30/2005
2
Exec Dt:
06/28/2005
Assignee
1
1400 JACKSON STREET
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11843617
Correspondence name and address
DAVID C. HOFFMAN
MORRISON & FOERSTER LLP
755 PAGE MILL ROAD
PALO ALTO, CA 94304-1018
Assignment: 11
Reel/Frame:033851/0692   Pages: 5
Recorded: 09/30/2014
Attorney Dkt #:50867-005007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/30/2005
2
Exec Dt:
06/28/2005
Assignee
1
1400 JACKSON STREET
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
14183213
Correspondence name and address
KRISTINA BIEKER-BRADY
CLARK & ELBING LLP.
101 FEDERAL STREET
BOSTON, MA 02110
Assignment: 12
Reel/Frame:027627/0849   Pages: 4
Recorded: 01/31/2012
Attorney Dkt #:2879-155
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/14/2011
2
Exec Dt:
12/14/2011
Assignee
1
1400 JACKSON ST.
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13293911
Correspondence name and address
SHERIDAN ROSS
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 13
Reel/Frame:043817/0155   Pages: 4
Recorded: 10/09/2017
Attorney Dkt #:2879-155-1-1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/14/2011
2
Exec Dt:
12/14/2011
Assignee
1
1400 JACKSON STREET
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15664550
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 14
Reel/Frame:049863/0356   Pages: 4
Recorded: 07/25/2019
Attorney Dkt #:2879-155-1-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/14/2011
2
Exec Dt:
12/14/2011
Assignee
1
1400 JACKSON STREET
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16452884
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 15
Reel/Frame:032573/0688   Pages: 2
Recorded: 04/01/2014
Attorney Dkt #:2879-162 & 2879-162-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/17/2014
2
Exec Dt:
01/17/2014
3
Exec Dt:
01/17/2014
Assignee
1
1400 JACKSON STREET
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14160747
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 16
Reel/Frame:040722/0016   Pages: 2
Recorded: 12/13/2016
Attorney Dkt #:2879-162-1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/17/2014
2
Exec Dt:
01/17/2014
3
Exec Dt:
01/17/2014
Assignee
1
1400 JACKSON STREET
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15348345
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 17
Reel/Frame:046968/0162   Pages: 2
Recorded: 09/25/2018
Attorney Dkt #:2879-162-1-1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/17/2014
2
Exec Dt:
01/17/2014
3
Exec Dt:
01/17/2014
Assignee
1
1400 JACKSON STREET
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16127638
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY
SUITE 1200
DENVER, CO 80202

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