Patents by Inventor Marcus Duffin

Marcus Duffin 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).

  • Incremental on demand dispensing unit
    Patent number: 11400483
    Abstract: An applicator for on demand incremental dispensing of dental compounds from interchangeable prefilled cartridges. A hand held applicator support body with a threaded drive rod, selectively advanced by a trigger activated indexing lever assembly for advancing engagement within the medication cartridge. A release and positional indicator allows for drive rod engagement and resetting therewithin.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: August 2, 2022
    Assignee: NODK, LLC
    Inventor: Marcus Duffin
  • INCREMENTAL ON DEMAND DISPENSING UNIT
    Publication number: 20210252550
    Abstract: An applicator for on demand incremental dispensing of dental compounds from interchangeable prefilled cartridges. A hand held applicator support body with a threaded drive rod, selectively advanced by a trigger activated indexing lever assembly for advancing engagement within the medication cartridge. A release and positional indicator allows for drive rod engagement and resetting therewithin.
    Type: Application
    Filed: February 14, 2020
    Publication date: August 19, 2021
    Inventor: Marcus Duffin
  • Dual applicator
    Patent number: 10004886
    Abstract: Embodiments herein may relate to a unit dose system that may include a first applicator and a second applicator. The first applicator may include a crushable ampoule that includes approximately 1 milliliter (mL) of a silver salt solution disposed therein. The first applicator may further include a first syringe tip coupled with the crushable ampoule. The second applicator may include a flexible filled tube that includes approximately 4 mL of a varnish disposed therein and a second syringe tip coupled with the flexible filled tube. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: June 26, 2018
    Assignee: ORAL HEALTH OUTREACH, LLC
    Inventors: Marcus Duffin, Steve Duffin
  • DUAL APPLICATOR
    Publication number: 20150374965
    Abstract: Embodiments herein may relate to a unit dose system that may include a first applicator and a second applicator. The first applicator may include a crushable ampoule that includes approximately 1 milliliter (mL) of a silver salt solution disposed therein. The first applicator may further include a first syringe tip coupled with the crushable ampoule. The second applicator may include a flexible filled tube that includes approximately 4 mL of a varnish disposed therein and a second syringe tip coupled with the flexible filled tube. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: June 19, 2015
    Publication date: December 31, 2015
    Inventors: Marcus Duffin, Steve Duffin