Patents by Inventor Dean Earl Sylvester

Dean Earl Sylvester 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).

  • Firearm
    Publication number: 20220018619
    Abstract: An upper receiver assembly of a firearm is disclosed. The upper receiver assembly contains a barrel, an extension block removably coupled with the barrel, an upper receiver removably coupled with the extension block, a handguard mounting block removably coupled with the barrel, and a handguard removably coupled with the handguard mounting block.
    Type: Application
    Filed: September 30, 2021
    Publication date: January 20, 2022
    Inventors: Paul T. Noonan, Dean Earl Sylvester
  • Firearm
    Patent number: 11162748
    Abstract: An upper receiver assembly of a firearm is disclosed. The upper receiver assembly contains a barrel, an extension block removably coupled with the barrel, an upper receiver removably coupled with the extension block, a handguard mounting block removably coupled with the barrel, and a handguard removably coupled with the handguard mounting block.
    Type: Grant
    Filed: January 19, 2020
    Date of Patent: November 2, 2021
    Assignee: Firearm Consulting Group, LLC
    Inventors: Paul T. Noonan, Dean Earl Sylvester
  • Firearm
    Publication number: 20200232732
    Abstract: An upper receiver assembly of a firearm is disclosed. The upper receiver assembly contains a barrel, an extension block removably coupled with the barrel, an upper receiver removably coupled with the extension block, a handguard mounting block removably coupled with the barrel, and a handguard removably coupled with the handguard mounting block.
    Type: Application
    Filed: January 19, 2020
    Publication date: July 23, 2020
    Inventors: Paul T. Noonan, Dean Earl Sylvester