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Patent Assignment Assignor Details
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Assignor Name : SILVA, ROBERT
Total Assignments: 13
Assignment: 1
Reel/Frame:006863/0934   Pages: 4
Recorded: 02/14/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SILVA, ROBERT
Exec Dt:
01/31/1994
Assignee
1
SILVA GROUP, INC., THE
3333 SOUTH WADSWORTH BOULEVARD
LAKEWOOD, COLORADO 80227
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
RE35263
NONE
08147349
Correspondence name and address
GARY M. POLUMBUS
HOLLAND & HART
555 17TH ST., #2900
DENVER, CO 80202
Assignment: 2
Reel/Frame:007019/0169   Pages: 4
Recorded: 05/19/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SILVA, ROBERT
Exec Dt:
05/19/1994
2
SILVA, PATTI J.
Exec Dt:
05/19/1994
Assignee
1
CONDYLATOR, INC., A CORP. OF CO
3333 S. WADSWORTH BLVD.
LAKEWOOD, COLORADO 80227
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5494440
NONE
08245618
Correspondence name and address
JOHN B. PHILLIPS
HOLLAND & HART
P.O. BOX 8749
DENVER, CO 80201-8749
Assignment: 3
Reel/Frame:007788/0726   Pages: 5
Recorded: 09/22/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SILVA, ROBERT
Exec Dt:
09/22/1994
Assignee
1
S-TEC, INC.
3333 S. WADSWORTH BLVD., SUITE 317
LAKEWOOD, CALIFORNIA 80227
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5573397
NONE
08310921
Correspondence name and address
GARY M. POLUMBUS
P. O. BOX 8749
DENVER, CO 80201-8749
Assignment: 4
Reel/Frame:013997/0430   Pages: 4
Recorded: 04/28/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SILVA, ROBERT
Exec Dt:
03/03/2003
2
LUNDY, CHRIS
Exec Dt:
03/03/2003
3
OLSON, GARRETT
Exec Dt:
03/03/2003
4
KREMER, JASON
Exec Dt:
03/03/2003
Assignee
1
IGT
9295 PROTOTYPE DRIVE
RENO, NEVADA 89521-8986
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040171423
10376852
Correspondence name and address
MARSHALL, GERSTEIN & BORUN
KEITH R. JAROSIK
233 S. WACKER DRIVE, SUITE 6300
SEARS TOWER
CHICAGO, IL 60606-6357
Assignment: 5
Reel/Frame:014949/0159   Pages: 4
Recorded: 02/05/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SILVA, ROBERT
Exec Dt:
10/16/2003
2
LUNDY, CHRIS
Exec Dt:
10/16/2003
3
OLSON, GARRETT
Exec Dt:
10/16/2003
4
KREMER, JASON
Exec Dt:
10/22/2003
Assignee
1
IGT
9295 PROTOTYPE DRIVE
RENO, NEVADA 89521
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050090305
10695176
Correspondence name and address
MARSHALL, GERSTEIN & BORUN
AARON M. PETERS
233 S. WACKER DRIVE, SUITE 6300
SEARS TOWER
CHIAGO, IL 60606-6357
Assignment: 6
Reel/Frame:014866/0480   Pages: 3
Recorded: 01/12/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SILVA, ROBERT
Exec Dt:
01/04/2004
2
LUNDY, CHRIS
Exec Dt:
01/08/2004
3
OLSON, GARRETT
Exec Dt:
01/05/2004
4
KREMER, JASON
Exec Dt:
01/05/2004
5
HEDRICK, JOSEPH R.
Exec Dt:
01/06/2004
6
NGUYEN, BINH T.
Exec Dt:
01/06/2004
Assignee
1
IGT
9295 PROTOTYPE DRIVE
RENO, NEVADA 89511
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8784211
US20040082385
10661404
Correspondence name and address
BEYER WEAVER & THOMAS LLP
P.O. BOX 778
BERKELEY, CA 94704-0778
Assignment: 7
Reel/Frame:015614/0383   Pages: 2
Recorded: 07/22/2004
Attorney Dkt #:IGT1P139/P-932
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SILVA, ROBERT
Exec Dt:
07/19/2004
2
LUNDY, CHRIS
Exec Dt:
07/19/2004
3
KREMER, JASON
Exec Dt:
07/12/2004
4
OLSON, GARRETT
Exec Dt:
07/19/2004
Assignee
1
IGT
9295 PROTOTYPE DRIVE
RENO, NEVADA 89521-8986
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7331520
US20060016883
10898600
Correspondence name and address
BEYER WEAVER & THOMAS LLP
P.O. BOX 70250
OAKLAND, CA 94612-0250
Assignment: 8
Reel/Frame:020290/0812   Pages: 2
Recorded: 12/26/2007
Attorney Dkt #:IGT1P139C1/P-932 CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SILVA, ROBERT
Exec Dt:
07/19/2004
2
LUNDY, CHRIS
Exec Dt:
07/19/2004
3
KREMER, JASON
Exec Dt:
07/12/2004
4
OLSON, GARRETT
Exec Dt:
07/19/2004
Assignee
1
IGT
9295 PROTOTYPE DRIVE
RENO, NEVADA 89521-8986
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7841521
US20080099555
11964655
Correspondence name and address
BEYER WEAVER LLP
P.O. BOX 70250
OAKLAND, CA 94612-0250
Assignment: 9
Reel/Frame:016990/0328   Pages: 5
Recorded: 09/12/2005
Attorney Dkt #:IGT1P250/P-916-CIP2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SILVA, ROBERT
Exec Dt:
09/09/2005
2
HENNESSY, EDWARD
Exec Dt:
09/09/2005
3
SHAFFER, STEPHEN
Exec Dt:
09/09/2005
4
CHAN, WAI
Exec Dt:
09/09/2005
Assignee
1
IGT
9295 PROTOTYPE DRIVE
RENO, NEVADA 89521-8986
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8641521
US20060046824
11225406
Correspondence name and address
BEYER WEAVER & THOMAS LLP
P.O. BOX 70250
OAKLAND, CA 94612-0250
Assignment: 10
Reel/Frame:041358/0223   Pages: 9
Recorded: 02/23/2017
Attorney Dkt #:2012351-0356
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZWART, GERRIT TOWNSEND
Exec Dt:
03/17/2016
2
JONES, MARK R.
Exec Dt:
03/16/2016
3
WAGNER, MILES S.
Exec Dt:
03/16/2016
4
COOLEY, JAMES
Exec Dt:
03/10/2016
5
PEDRONI, EROS
Exec Dt:
03/20/2016
6
SILVA, ROBERT
Exec Dt:
04/05/2016
Assignee
1
MEVION MEDICAL SYSTEMS, INC.
300 FOSTER STREET
LITTLETON, MASSACHUSETTS 01460
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10646728
US20170157422
15438544
Correspondence name and address
CHOATE HALL & STEWART LLP
TWO INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 11
Reel/Frame:057352/0807   Pages: 9
Recorded: 09/01/2021
Attorney Dkt #:2012351-0556
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZWART, GERRIT TOWNSEND
Exec Dt:
03/17/2016
2
JONES, MARK R.
Exec Dt:
03/16/2016
3
WAGNER, MILES S.
Exec Dt:
03/16/2016
4
COOLEY, JAMES
Exec Dt:
03/10/2016
5
PEDRONI, EROS
Exec Dt:
03/20/2016
6
SILVA, ROBERT
Exec Dt:
04/05/2016
Assignee
1
MEVION MEDICAL SYSTEMS, INC.
300 FOSTER STREET
LITTLETON, MASSACHUSETTS 01460
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11213697
US20210038915
16999641
Correspondence name and address
BURNS & LEVINSON, LLP
125 HIGH STREET
BOSTON, MA 02110
Assignment: 12
Reel/Frame:060075/0484   Pages: 9
Recorded: 06/01/2022
Attorney Dkt #:2012351-0591
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZWART, GERRIT TOWNSEND
Exec Dt:
03/17/2016
2
JONES, MARK R.
Exec Dt:
03/16/2016
3
WAGNER, MILES S.
Exec Dt:
03/16/2016
4
COOLEY, JAMES
Exec Dt:
03/16/2016
5
PEDRONI, EROS
Exec Dt:
03/20/2016
6
SILVA, ROBERT
Exec Dt:
04/05/2016
Assignee
1
MEVION MEDICAL SYSTEMS, INC.
300 FOSTER STREET
LITTLETON, MASSACHUSETTS 01460
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11786754
US20220118284
17567544
Correspondence name and address
BURNS & LEVINSON LLP
125 HIGH STREET
BOSTON, MA 02110
Assignment: 13
Reel/Frame:047862/0714   Pages: 3
Recorded: 12/27/2018
Attorney Dkt #:10012-77
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SILVA, ROBERT
Exec Dt:
12/10/2018
Assignee
1
IGT
6355 SOUTH BUFFALO DRIVE
LAS VEGAS, NEVADA 89113
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10741017
US20200211324
16234141
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY, SUITE 1200
DENVER, CO 80202

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