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Trademarks = 2

Forward Citations = 533

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6 inventors (with patents filed for the assignee):

Sanford F Campbell (15 out of 23 patents)

Robert E Jones (6 out of 6 patents)

Suresh Cherulassery Gopalan (2 out of 3 patents)

4. Daniel Caris (1 out of 5 patents)

5. James P Ellis (1 out of 1 patent)

6. Bret Martin (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. D471330 - Automatic swimming pool cleaner (2003-03-05),

2. 6423217 - Pool cleaner having vortex drive tube (2002-07-23),

3. 6379542 - Pool cleaner with righting weight assembly (2002-04-30),

4. 6357478 - Suction flow regulator (2002-03-19),

5. 6193885 - Pool cleaner debris bag (2001-02-27),

6. 6158464 - Low pressure back-up valve for pool cleaner (2000-12-12),

7. 6099091 - Traction enhanced wheel apparatus (2000-08-08),

8. 6035879 - Automatic fill valve assembly (2000-03-14),

9. D421512 - Automatic swimming pool cleaner (2000-03-07),

10. 6003184 - Automatic swimming pool cleaner (1999-12-21),

11. 5933899 - Low pressure automatic swimming pool cleaner (1999-08-10),

12. 5893188 - Automatic swimming pool cleaner (1999-04-13),

13. D379693 - Pool cleaner debris bag (1997-06-03),

14. 5603135 - Pool cleaner with replaceable mast (1997-02-18),

15. D376450 - Swimming pool cleaner (1996-12-10),

Letro Products, Inc. is a leading manufacturer of high-quality cleaning and maintenance products for residential and commercial pools and spas. With a focus on innovation and customer satisfaction, Letro Products, Inc. has been providing top-notch solutions for pool and spa care for over 20 years. Their extensive product line includes pool cleaners, chemicals, filters, and accessories to keep pools and spas crystal clear and well-maintained.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

15 Patents

#1 in Redding, CA

#4,868 in California

#20,411 in US

#38,698 in the World

Redding, CA, United States of America

Letro Products, Inc.