Membership
Tour
Register
Log in
Letro Products, Inc.
Follow
Organization
Redding, CA, US
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 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 Applications
last 30 patents
Trademark
last 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