Leonid Prog

Person

  • Brooklyn, NY, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Smoking filtration devices, methods, and systems

    • Patent number 11,134,714
    • Issue date Oct 5, 2021
    • Leonid Prog
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Filtered smoking

    • Patent number 10,786,001
    • Issue date Sep 29, 2020
    • Leonid Prog
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES

Patents Applicationslast 30 patents