TREA

Hellen Systems LLC

Follow

Organization

  • Middleburg, VA, US
Organizations

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Antenna ELORAN Communication System
    • Publication number 20220190480
    • Publication date Jun 16, 2022
    • Hellen Systems
    • Konstantinos BONTZOS
    • H01 - BASIC ELECTRIC ELEMENTS

Trademarklast 30 trademarks

  • Information Trademark

    88852764
    • Serial number 88852764
    • Filing date Mar 30, 2020
    • HELLEN SYSTEMS, INC.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    88849435 - HELLEN SYSTEMS
    • Serial number 88849435
    • Filing date Mar 26, 2020
    • HELLEN SYSTEMS, INC.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    88849466 - HSI
    • Serial number 88849466
    • Filing date Mar 26, 2020
    • HELLEN SYSTEMS, INC.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments