Patents by Inventor Drew Ashlock

Drew Ashlock has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • File validation using a blockchain
    Patent number: 11811949
    Abstract: Disclosed are various embodiments for validating documents using a blockchain data. Multiple documents can be included in the validation process using a merge and hash process and a summary terms document. Validation can be performed by hashing and merging operations, followed by comparing hash values.
    Type: Grant
    Filed: November 7, 2021
    Date of Patent: November 7, 2023
    Assignee: DocuSign, Inc.
    Inventors: Gregory J. Alger, Duane R. Wald, Andrew Mintner, Donald Grant Peterson, Taiga Matsumoto, Damon Dean, Drew Ashlock
  • File Validation Using a Blockchain
    Publication number: 20220060340
    Abstract: Disclosed are various embodiments for validating documents using a blockchain data. Multiple documents can be included in the validation process using a merge and hash process and a summary terms document. Validation can be performed by hashing and merging operations, followed by comparing hash values.
    Type: Application
    Filed: November 7, 2021
    Publication date: February 24, 2022
    Inventors: Gregory J. Alger, Duane R. Wald, Andrew Mintner, Donald Grant Peterson, Taiga Matsumoto, Damon Dean, Drew Ashlock
  • File validation using a blockchain
    Patent number: 11228445
    Abstract: Disclosed are various embodiments for validating documents using a blockchain data. Multiple documents can be included in the validation process using a merge and hash process and a summary terms document. Validation can be performed by hashing and merging operations, followed by comparing hash values.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: January 18, 2022
    Assignee: DocuSign, Inc.
    Inventors: Gregory J. Alger, Duane R. Wald, Andrew Mintner, Donald Grant Peterson, Taiga Matsumoto, Damon Dean, Drew Ashlock
  • FILE VALIDATION USING A BLOCKCHAIN
    Publication number: 20190386833
    Abstract: Disclosed are various embodiments for validating documents using a blockchain data. Multiple documents can be included in the validation process using a merge and hash process and a summary terms document. Validation can be performed by hashing and merging operations, followed by comparing hash values.
    Type: Application
    Filed: June 14, 2019
    Publication date: December 19, 2019
    Inventors: Gregory J. Alger, Duane R. Wald, Andrew Mintner, Donald Grant Peterson, Taiga Matsumoto, Damon Dean, Drew Ashlock