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Patent Assignment Assignor Details
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Assignor Name : VIERHAUS, ERIC
Total Assignments: 6
Assignment: 1
Reel/Frame:048780/0053   Pages: 9
Recorded: 04/03/2019
Attorney Dkt #:065841/519167
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JONES, LEAH
Exec Dt:
01/31/2019
2
ADAMS, KEITH
Exec Dt:
03/24/2019
3
STOLLER, SAMANTHA
Exec Dt:
03/21/2019
4
LEMAIRE, MAUDE
Exec Dt:
03/21/2019
5
VIERHAUS, ERIC
Exec Dt:
03/21/2019
6
FRANK, ILAN
Exec Dt:
03/28/2019
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10346378
NONE
16206652
Correspondence name and address
ALSTON & BIRD LLP
101 S TRYON ST, SUITE 4000
BANK OF AMERICA PLAZA
CHARLOTTE, NC 28280-4000
Assignment: 2
Reel/Frame:052727/0929   Pages: 9
Recorded: 05/21/2020
Attorney Dkt #:2776-48.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JONES, LEAH
Exec Dt:
01/31/2019
2
ADAMS, KEITH
Exec Dt:
03/24/2019
3
STOLLER, SAMANTHA
Exec Dt:
03/21/2019
4
LEMAIRE, MAUDE
Exec Dt:
03/21/2019
5
VIERHAUS, ERIC
Exec Dt:
03/21/2019
6
FRANK, ILAN
Exec Dt:
03/28/2019
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11269833
NONE
16419709
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BLVD., STE 700
OVERLAND PARK, KS 66211
Assignment: 3
Reel/Frame:058744/0692   Pages: 9
Recorded: 01/24/2022
Attorney Dkt #:2776-48.02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JONES, LEAH
Exec Dt:
01/31/2019
2
ADAMS, KEITH
Exec Dt:
03/24/2019
3
STOLLER, SAMANTHA
Exec Dt:
03/21/2019
4
LEMAIRE, MAUDE
Exec Dt:
03/21/2019
5
VIERHAUS, ERIC
Exec Dt:
03/21/2019
6
FRANK, ILAN
Exec Dt:
03/28/2019
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220147644
17582552
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 4
Reel/Frame:054207/0001   Pages: 11
Recorded: 10/29/2020
Attorney Dkt #:2776-47.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRANK, ILAN
Exec Dt:
08/24/2020
2
BUTTERFIELD, DANIEL STEWART
Exec Dt:
09/14/2020
3
HENDERSON-BEGG, CALLUM
Exec Dt:
08/19/2020
4
UNDERWOOD, APRIL
Exec Dt:
08/24/2020
5
JONES, LEAH
Exec Dt:
10/23/2020
6
GRANT, MYLES
Exec Dt:
08/20/2020
7
WIRTH, TODD
Exec Dt:
08/24/2020
8
VIERHAUS, ERIC
Exec Dt:
08/24/2020
9
STOLLER, SAMANTHA
Exec Dt:
08/20/2020
10
PELLY, GREGORY
Exec Dt:
08/20/2020
11
DENG, YONGXING
Exec Dt:
08/28/2020
12
MULLEN, MATTHEW
Exec Dt:
08/20/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10997557
US20180197144
15782680
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 5
Reel/Frame:056116/0530   Pages: 11
Recorded: 05/03/2021
Attorney Dkt #:2776-47.02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRANK, ILAN
Exec Dt:
08/24/2020
2
BUTTERFIELD, DANIEL STEWART
Exec Dt:
09/14/2020
3
HENDERSON-BEGG, CALLUM
Exec Dt:
08/19/2020
4
UNDERWOOD, APRIL
Exec Dt:
08/24/2020
5
JONES, LEAH
Exec Dt:
10/23/2020
6
GRANT, MYLES
Exec Dt:
08/20/2020
7
WIRTH, TODD
Exec Dt:
08/24/2020
8
VIERHAUS, ERIC
Exec Dt:
08/24/2020
9
STOLLER, SAMANTHA
Exec Dt:
08/20/2020
10
PELLY, GREGORY
Exec Dt:
08/20/2020
11
DENG, YONGXING
Exec Dt:
08/28/2020
12
MULLEN, MATTHEW
Exec Dt:
08/20/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11810072
US20210264368
17306260
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 6
Reel/Frame:064559/0351   Pages: 11
Recorded: 08/11/2023
Attorney Dkt #:2776-47.03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRANK, ILAN
Exec Dt:
08/24/2020
2
BUTTERFIELD, DANIEL STEWART
Exec Dt:
09/14/2020
3
HENDERSON-BEGG, CALLUM
Exec Dt:
08/19/2020
4
UNDERWOOD, APRIL
Exec Dt:
08/24/2020
5
JONES, LEAH
Exec Dt:
10/23/2020
6
GRANT, MYLES
Exec Dt:
08/20/2020
7
WIRTH, TODD
Exec Dt:
08/24/2020
8
VIERHAUS, ERIC
Exec Dt:
08/24/2020
9
STOLLER, SAMANTHA
Exec Dt:
08/20/2020
10
PELLY, GREGORY
Exec Dt:
08/20/2020
11
DENG, YONGXING
Exec Dt:
08/28/2020
12
MULLEN, MATTHEW
Exec Dt:
08/20/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230410051
18232873
Correspondence name and address
ERISE IP P.A.
7015 COLLEGE BLVD., STE 700
OVERLAND PARK, KS 66211

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