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John S. Lettow

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  • Washington, DC, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    SYSTEM TO DETERMINE THE LOCATION OF A RADIO FREQUENCY SOURCE USING...
    • Publication number 20250231271
    • Publication date Jul 17, 2025
    • VORBECK MATERIALS CORP.
    • JAMES TURNEY
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    WIRELESS SIGNAL TRANSMISSION USING ACCESS POINT NETWORKS IN WEARABL...
    • Publication number 20250106941
    • Publication date Mar 27, 2025
    • VORBECK MATERIALS CORP.
    • JOHN S LETTOW
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    WEARABLE COMMUNICATIONS AND BALLISTIC PROTECTION SYSTEM
    • Publication number 20240167791
    • Publication date May 23, 2024
    • VORBECK MATERIALS CORP.
    • John Lettow
    • F41 - WEAPONS
  • Information Patent Application

    WEARABLE ANTENNA SYSTEM
    • Publication number 20230421685
    • Publication date Dec 28, 2023
    • VORBECK MATERIALS CORP.
    • JENNIFER PINKOS
    • A41 - WEARING APPAREL
  • Information Patent Application

    SYSTEM TO DETERMINE THE LOCATION OF A RADIO FREQUENCY SOURCE USING...
    • Publication number 20230280440
    • Publication date Sep 7, 2023
    • VORBECK MATERIALS CORP.
    • JOHN LETTOW
    • G01 - MEASURING TESTING
  • Information Patent Application

    SENSOR NODE COMMUNICATIONS SYSTEM AND RELATED METHODS
    • Publication number 20230236281
    • Publication date Jul 27, 2023
    • VORBECK MATERIALS CORP.
    • BRIAN LOSEY
    • G01 - MEASURING TESTING
  • Information Patent Application

    COMMUNICATIONS TARPAULIN
    • Publication number 20230188634
    • Publication date Jun 15, 2023
    • VORBECK MATERIALS CORP.
    • JOHN LETTOW
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SYSTEM TO DETERMINE THE LOCATION OF A RADIO FREQUENCY SOURCE USING...
    • Publication number 20230176175
    • Publication date Jun 8, 2023
    • VORBECK MATERIALS CORP.
    • JAMES TURNEY
    • G01 - MEASURING TESTING
  • Information Patent Application

    TEXTILE TRANSMISSION LINE ASSEMBLIES
    • Publication number 20220264965
    • Publication date Aug 25, 2022
    • VORBECK MATERIALS CORP.
    • KATE REDMOND
    • A41 - WEARING APPAREL
  • Information Patent Application

    WEARABLE ANTENNA SYSTEM
    • Publication number 20220256022
    • Publication date Aug 11, 2022
    • VORBECK MATERIALS CORP.
    • JENNIFER PINKOS
    • A41 - WEARING APPAREL
  • Information Patent Application

    WEARABLE WIRELESS ACCESS POINT
    • Publication number 20210337628
    • Publication date Oct 28, 2021
    • VORBECK MATERIALS CORP.
    • JOHN S LETTOW
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    SURFACE APPLIED SENSORS
    • Publication number 20190346390
    • Publication date Nov 14, 2019
    • VORBECK MATERIALS CORP.
    • JOHN S LETTOW
    • G01 - MEASURING TESTING
  • Information Patent Application

    VEHICULAR ENGINE ACOUSTIC IDENTIFICATION
    • Publication number 20190266812
    • Publication date Aug 29, 2019
    • VORBECK MATERIALS CORP.
    • JOHN S LETTOW
    • G07 - CHECKING-DEVICES
  • Information Patent Application

    INTERCONNECT DEVICE
    • Publication number 20190254186
    • Publication date Aug 15, 2019
    • Vorbeck Materials
    • JOHN S. LETTOW
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    COATINGS CONTAINING FUNCTIONALIZED GRAPHENE SHEETS AND ARTICLES COA...
    • Publication number 20190194477
    • Publication date Jun 27, 2019
    • The Trustees of Princeton University
    • John M. CRAIN
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRICAL SWITCHES AND SENSORS
    • Publication number 20190189365
    • Publication date Jun 20, 2019
    • VORBECK MATERIALS CORP.
    • JOHN S LETTOW
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    WEARABLE WIRELESS ACCESS POINT
    • Publication number 20180310360
    • Publication date Oct 25, 2018
    • VORBECK MATERIALS CORP.
    • JOHN S LETTOW
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    RADIO-BASED VEHICULAR DIAGNOSTIC SYSTEM
    • Publication number 20180264895
    • Publication date Sep 20, 2018
    • VORBECK MATERIALS CORP.
    • John S Lettow
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    PRINTED ELECTRONICS
    • Publication number 20180199436
    • Publication date Jul 12, 2018
    • The Trustees of Princeton University
    • John M. CRAIN
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    RESILIENT RADIO-FREQUENCY TAG
    • Publication number 20170262748
    • Publication date Sep 14, 2017
    • VORBECK MATERIALS CORP.
    • JOHN S. LETTOW
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    GRAPHENE-BASED ROTMAN LENS
    • Publication number 20170256862
    • Publication date Sep 7, 2017
    • VORBECK MATERIALS CORP.
    • JOHN S. LETTOW
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SURFACE APPLIED SENSORS
    • Publication number 20170234820
    • Publication date Aug 17, 2017
    • VORBECK MATERIALS CORP.
    • JOHN S LETTOW
    • G01 - MEASURING TESTING
  • Information Patent Application

    REINFORCED POLYMERIC ARTICLES
    • Publication number 20170044334
    • Publication date Feb 16, 2017
    • VORBECK MATERIALS CORPORATION
    • Ilhan A. AKSAY
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Application

    COATED LEATHER ARTICLES AND METHOD OF PREPARATION
    • Publication number 20170038795
    • Publication date Feb 9, 2017
    • VORBECK MATERIALS CORP.
    • John S. Lettow
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    PRINTED ELECTRONICS
    • Publication number 20170034912
    • Publication date Feb 2, 2017
    • The Trustees of Princeton University
    • John M. CRAIN
    • B82 - NANO-TECHNOLOGY
  • Information Patent Application

    MICROPHONE DIAPHRAGM
    • Publication number 20170013361
    • Publication date Jan 12, 2017
    • VORBECK MATERIALS CORP.
    • JOHN S LETTOW
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PERSONAL THERMAL MANAGEMENT SYSTEM
    • Publication number 20160374411
    • Publication date Dec 29, 2016
    • Vorbeck Materials
    • LOUISE BROOKS
    • A41 - WEARING APPAREL
  • Information Patent Application

    WEARABLE ELECTRONIC DEVICES
    • Publication number 20160327979
    • Publication date Nov 10, 2016
    • VORBECK MATERIALS CORP.
    • JOHN S LETTOW
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    ELECTRICAL SWITCHES AND SENSORS
    • Publication number 20160300669
    • Publication date Oct 13, 2016
    • VORBECK MATERIALS CORP.
    • JOHN S LETTOW
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    THERMAL MANAGEMENT DEVICE SYSTEMS
    • Publication number 20160299543
    • Publication date Oct 13, 2016
    • VORBECK MATERIALS CORP.
    • LOUISE BROOKS
    • A41 - WEARING APPAREL