Frank T. Sargent

Person

  • Naples, FL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Volume charge density measuring system

    • Patent number 6,586,949
    • Issue date Jul 1, 2003
    • John S. Sargent
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Volume charge density measuring system

    • Patent number 6,586,950
    • Issue date Jul 1, 2003
    • John S. Sargent
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Double-acting trailer hitch

    • Patent number 6,536,793
    • Issue date Mar 25, 2003
    • Frank T. Sargent
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Double acting trailer hitch

    • Patent number 6,299,191
    • Issue date Oct 9, 2001
    • Frank T. Sargent
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Doubling-acting reduced tongue weight trailer hitch

    • Patent number 6,286,851
    • Issue date Sep 11, 2001
    • Frank T. Sargent
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Adjustable, weight distributing trailer hitch apparatus with spring...

    • Patent number 6,142,500
    • Issue date Nov 7, 2000
    • Frank T. Sargent
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Adjustable coupler for a weight distributing trailer hitch apparatus

    • Patent number 5,951,036
    • Issue date Sep 14, 1999
    • Frank T. Sargent
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Volume charge density measuring system

    • Patent number 5,945,831
    • Issue date Aug 31, 1999
    • John S. Sargent
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Cam actuated apparatus for frictionally controlling trailer sway

    • Patent number 5,910,217
    • Issue date Jun 8, 1999
    • Frank T. Sargent
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Flush apparatus for water closet and method of operation

    • Patent number 4,462,124
    • Issue date Jul 31, 1984
    • Thetford Corporation
    • John M. Antos
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Portable toilet facility

    • Patent number 4,305,164
    • Issue date Dec 15, 1981
    • Thetford Corporation
    • Frank T. Sargent
    • E04 - BUILDING
  • Information Patent Grant

    Trailer hitch carriage

    • Patent number 4,253,679
    • Issue date Mar 3, 1981
    • Frank T. Sargent
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Toilet

    • Patent number D257385
    • Issue date Oct 14, 1980
    • Thetford Corporation
    • Frank T. Sargent
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Toilet

    • Patent number D256722
    • Issue date Sep 2, 1980
    • Thetford Corporation
    • Charles L. Sargent
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Toilet

    • Patent number D255597
    • Issue date Jun 24, 1980
    • Thetford Corporation
    • Frank T. Sargent
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Toilet

    • Patent number 4,192,027
    • Issue date Mar 11, 1980
    • Thetford Corporation
    • Frank T. Sargent
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Portable toilet with improved flush apparatus

    • Patent number 4,185,337
    • Issue date Jan 29, 1980
    • Thetford Corporation
    • Frank T. Sargent
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Toilet apparatus

    • Patent number 4,185,340
    • Issue date Jan 29, 1980
    • Thetford Corporation
    • Frank T. Sargent
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Portable toilets

    • Patent number 4,180,876
    • Issue date Jan 1, 1980
    • Thetford Corporation
    • Frank T. Sargent
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Portable toilet with vent means for the holding tank

    • Patent number 4,145,773
    • Issue date Mar 27, 1979
    • Thetford Corporation
    • Frank T. Sargent
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Portable toilet building

    • Patent number D250350
    • Issue date Nov 21, 1978
    • Thetford Corporation
    • Frank T. Sargent
    • D22 - Arms, pyrotechnics, hunting and fishing equipment
  • Information Patent Grant

    Toilet

    • Patent number D250344
    • Issue date Nov 21, 1978
    • Thetford Corporation
    • Frank T. Sargent
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Toilet

    • Patent number 3,939,501
    • Issue date Feb 24, 1976
    • Thetford Corporation
    • Frank T. Sargent
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Double-acting trailer hitch

    • Publication number 20020036390
    • Publication date Mar 28, 2002
    • Frank T. Sargent
    • B60 - VEHICLES IN GENERAL