Letro Products, Inc.

Organization

  • Redding, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic swimming pool cleaner

    • Patent number D471330
    • Issue date Mar 4, 2003
    • Letro Products, Inc.
    • Sanford F. Campbell
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Pool cleaner having vortex drive tube

    • Patent number 6,423,217
    • Issue date Jul 23, 2002
    • Letro Products, Inc.
    • Sanford F. Campbell
    • E04 - BUILDING
  • Information Patent Grant

    Pool cleaner with righting weight assembly

    • Patent number 6,379,542
    • Issue date Apr 30, 2002
    • Letro Products, Inc.
    • Sanford F. Campbell
    • E04 - BUILDING
  • Information Patent Grant

    Suction flow regulator

    • Patent number 6,357,478
    • Issue date Mar 19, 2002
    • Letro Products, Inc.
    • Sanford Campbell
    • E04 - BUILDING
  • Information Patent Grant

    Pool cleaner debris bag

    • Patent number 6,193,885
    • Issue date Feb 27, 2001
    • Letro Products, Inc.
    • Sanford F. Campbell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Low pressure back-up valve for pool cleaner

    • Patent number 6,158,464
    • Issue date Dec 12, 2000
    • Letro Products, Inc.
    • Sanford F. Campbell
    • E04 - BUILDING
  • Information Patent Grant

    Traction enhanced wheel apparatus

    • Patent number 6,099,091
    • Issue date Aug 8, 2000
    • Letro Products, Inc.
    • Sanford F. Campbell
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Automatic fill valve assembly

    • Patent number 6,035,879
    • Issue date Mar 14, 2000
    • Letro Products, Inc.
    • Sanford F. Campbell
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Automatic swimming pool cleaner

    • Patent number D421512
    • Issue date Mar 7, 2000
    • Letro Products, Inc.
    • Sanford F. Campbell
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Automatic swimming pool cleaner

    • Patent number 6,003,184
    • Issue date Dec 21, 1999
    • Letro Products, Inc.
    • Sanford F. Campbell
    • E04 - BUILDING
  • Information Patent Grant

    Low pressure automatic swimming pool cleaner

    • Patent number 5,933,899
    • Issue date Aug 10, 1999
    • Letro Products, Inc.
    • Sanford F. Campbell
    • E04 - BUILDING
  • Information Patent Grant

    Automatic swimming pool cleaner

    • Patent number 5,893,188
    • Issue date Apr 13, 1999
    • Letro Products, Inc.
    • Sanford F. Campbell
    • E04 - BUILDING
  • Information Patent Grant

    Pool cleaner debris bag

    • Patent number D379693
    • Issue date Jun 3, 1997
    • Letro Products, Inc.
    • Sanford F. Campbell
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Pool cleaner with replaceable mast

    • Patent number 5,603,135
    • Issue date Feb 18, 1997
    • Letro Products, Inc.
    • Robert E. Jones
    • E04 - BUILDING
  • Information Patent Grant

    Swimming pool cleaner

    • Patent number D376450
    • Issue date Dec 10, 1996
    • Letro Products, Inc.
    • Sanford F. Campbell
    • D32 - Washing, cleaning, or drying machine

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    76239323 - JET-VAC

    • Serial number 76239323
    • Registration number 2612199
    • Filing date Apr 11, 2001
    • LETRO PRODUCTS, INC.
    • 7 - Machines and machine tools
  • Information Trademark

    76159035

    • Serial number 76159035
    • Registration number 2764838
    • Filing date Nov 3, 2000
    • LETRO PRODUCTS, INC.
    • 7 - Machines and machine tools
  • Information Trademark

    75941639 - THE BOSS

    • Serial number 75941639
    • Filing date Mar 10, 2000
    • LETRO PRODUCTS, INC.
    • 7 - Machines and machine tools
  • Information Trademark

    74699257 - LETRO

    • Serial number 74699257
    • Registration number 1993090
    • Filing date Jul 10, 1995
    • LETRO PRODUCTS, INC.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    74573478 - LEGEND

    • Serial number 74573478
    • Registration number 1986245
    • Filing date Sep 14, 1994
    • LETRO PRODUCTS, INC.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73690212 - JET-VAC

    • Serial number 73690212
    • Registration number 1488179
    • Filing date Oct 16, 1987
    • LETRO PRODUCTS, INC.
    • 7 - Machines and machine tools