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David Schwartz
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Tiburon, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Preventing an incorrect transmission of a copy of a record of data...
Patent number
12,166,896
Issue date
Dec 10, 2024
POLYSIGN, INC.
David Schwartz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Preventing an erroneous transmission of a copy of a record of data...
Patent number
12,095,897
Issue date
Sep 17, 2024
POLYSIGN, INC.
David Schwartz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Preventing a transmission of an incorrect copy of a record of data...
Patent number
11,940,987
Issue date
Mar 26, 2024
POLYSIGN INC.
David Schwartz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Master key escrow process
Patent number
11,711,213
Issue date
Jul 25, 2023
POLYSIGN, INC.
Arun Velagapalli
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Preventing a transmission of an incorrect copy of a record of data...
Patent number
11,449,491
Issue date
Sep 20, 2022
POLYSIGN, INC.
David Schwartz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Preventing an incorrect transmission of a copy of a record of data...
Patent number
11,310,055
Issue date
Apr 19, 2022
POLYSIGN, INC.
David Schwartz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Preventing an erroneous transmission of a copy of a record of data...
Patent number
11,159,308
Issue date
Oct 26, 2021
POLYSIGN, INC.
David Schwartz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
MASTER KEY ESCROW PROCESS
Publication number
20230370263
Publication date
Nov 16, 2023
PolySign, Inc.
Arun Velagapalli
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PREVENTING A TRANSMISSION OF AN INCORRECT COPY OF A RECORD OF DATA...
Publication number
20230004553
Publication date
Jan 5, 2023
PolySign, Inc.
David Schwartz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PREVENTING AN INCORRECT TRANSMISSION OF A COPY OF A RECORD OF DATA...
Publication number
20220224541
Publication date
Jul 14, 2022
PolySign, Inc.
David Schwartz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
STORING SECRET DATA ON A BLOCKCHAIN
Publication number
20220141014
Publication date
May 5, 2022
PolySign, Inc.
Arthur Britto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PREVENTING AN ERRONEOUS TRANSMISSION OF A COPY OF A RECORD OF DATA...
Publication number
20220038258
Publication date
Feb 3, 2022
PolySign, Inc.
David Schwartz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MASTER KEY ESCROW PROCESS
Publication number
20220029801
Publication date
Jan 27, 2022
1300 Clay Street
Arun Velagapalli
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PREVENTING AN INCORRECT TRANSMISSION OF A COPY OF A RECORD OF DATA...
Publication number
20210014041
Publication date
Jan 14, 2021
PolySign, Inc.
David Schwartz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PREVENTING AN ERRONEOUS TRANSMISSION OF A COPY OF A RECORD OF DATA...
Publication number
20200304288
Publication date
Sep 24, 2020
PolySign, Inc.
David Schwartz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PREVENTING A TRANSMISSION OF AN INCORRECT COPY OF A RECORD OF DATA...
Publication number
20200226121
Publication date
Jul 16, 2020
PolySign, Inc.
David Schwartz
G06 - COMPUTING CALCULATING COUNTING