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Patent Assignment Assignor Details
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Assignor Name : TROMBA, ISABELLA
Total Assignments: 4
Assignment: 1
Reel/Frame:043299/0419   Pages: 12
Recorded: 08/15/2017
Attorney Dkt #:SLACK0001US2A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRANT, MYLES
Exec Dt:
06/19/2017
2
MOURACHOV, SERGUEI
Exec Dt:
06/27/2017
3
BOURASSA-DENIS, RENAUD
Exec Dt:
06/13/2017
4
LISZKA, JASON
Exec Dt:
06/13/2017
5
GALLAGHER, JOHN
Exec Dt:
06/13/2017
6
TROMBA, ISABELLA
Exec Dt:
06/13/2017
7
WEISS, NOAH
Exec Dt:
06/13/2017
Assignee
1
SLACK TECHNOLOGIES, INC.
155 5TH STREET, 6TH FLOOR
SAN FRANCISCO, CALIFORNIA 94103
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9940394
NONE
15651887
Correspondence name and address
HANCHUK KHEIT LLP
258 SAINT NICHOLAS AVENUE, NO. 8A
NEW YORK, NY 10027
Assignment: 2
Reel/Frame:044890/0568   Pages: 14
Recorded: 02/11/2018
Attorney Dkt #:SLACK0001US2A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOURACHOV, SERGUEI
Exec Dt:
01/31/2018
2
GRANT, MYLES
Exec Dt:
01/31/2018
3
BOURASSA-DENIS, RENAUD
Exec Dt:
01/30/2018
4
LISZKA, JASON
Exec Dt:
01/30/2018
5
GALLAGHER, JOHN
Exec Dt:
01/31/2018
6
TROMBA, ISABELLA
Exec Dt:
02/09/2018
7
WEISS, NOAH
Exec Dt:
01/31/2018
8
BUTTERFIELD, DANIEL STEWART
Exec Dt:
12/14/2017
9
HENDERSON-BEGG, CALLUM
Exec Dt:
12/14/2017
Assignee
1
SLACK TECHNOLOGIES, INC.
155 5TH STREET, 6TH FLOOR
SAN FRANCISCO, CALIFORNIA 94103
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9940394
NONE
15651887
Correspondence name and address
HANCHUK KHEIT LLP
258 SAINT NICHOLAS AVENUE, NO. 8A
NEW YORK, NY 10027
Assignment: 3
Reel/Frame:047822/0297   Pages: 14
Recorded: 12/19/2018
Attorney Dkt #:SLACK0001US2ACON1A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOURACHOV, SERGUEI
Exec Dt:
01/31/2018
2
GRANT, MYLES
Exec Dt:
01/31/2018
3
BOURASSA-DENIS, RENAUD
Exec Dt:
01/30/2018
4
LISZKA, JASON
Exec Dt:
01/31/2018
5
GALLAGHER, JOHN
Exec Dt:
01/31/2018
6
TROMBA, ISABELLA
Exec Dt:
02/09/2018
7
WEISS, NOAH
Exec Dt:
01/31/2018
8
BUTTERFIELD, DANIEL STEWART
Exec Dt:
12/14/2017
9
HENDERSON-BEGG, CALLUM
Exec Dt:
12/14/2017
Assignee
1
SLACK TECHNOLOGIES, INC.
155 5TH STREET, 6TH FLOOR
SAN FRANCISCO, CALIFORNIA 94103
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
10229204
NONE
15949030
 
10229205
NONE
15949034
 
10846349
NONE
15949039
Correspondence name and address
HANCHUK KHEIT LLP
258 SAINT NICHOLAS AVE. SUITE 8A
NEW YORK, NY 10027
Assignment: 4
Reel/Frame:054055/0794   Pages: 14
Recorded: 10/14/2020
Attorney Dkt #:2776-49.08
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRANT, MYLES
Exec Dt:
01/31/2018
2
MOURACHOV, SERGUEI
Exec Dt:
01/31/2018
3
BOURASSA-DENIS, RENAUD
Exec Dt:
01/30/2018
4
LISZKA, JASON
Exec Dt:
01/31/2018
5
GALLAGHER, JOHN
Exec Dt:
01/31/2018
6
TROMBA, ISABELLA
Exec Dt:
02/09/2018
7
WEISS, NOAH
Exec Dt:
01/31/2018
8
BUTTERFIELD, DANIEL STEWART
Exec Dt:
12/14/2017
9
HENDERSON-BEGG, CALLUM
Exec Dt:
12/14/2017
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11586686
US20210026903
17070651
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211

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