For the Inventor, By the Inventor

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Arleta, CA, United States of America

Guardian Products, Inc.

USPTO Granted Patents = 26

Trademarks = 3

Forward Citations = 670

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30 inventors (with patents filed for the assignee):

Eric P Rose (8 out of 9 patents)

Jim R Schultz (6 out of 8 patents)

Stuart Karten (4 out of 10 patents)

4. Cuong Bui (3 out of 3 patents)

5. David Hodge (2 out of 3 patents)

6. Steven H Mertz (2 out of 2 patents)

7. Leo Zatulovsky (2 out of 2 patents)

8. Zivko Miric (2 out of 2 patents)

9. Ronald L Firebaugh (2 out of 2 patents)

10. Leonid Zatulovsky (1 out of 4 patents)

11. Christopher R Reed (1 out of 1 patent)

12. Adele E Ward (1 out of 3 patents)

13. J R Ward (1 out of 2 patents)

14. Kevin R Lunau (1 out of 5 patents)

15. Jeffrey D Stringer (1 out of 2 patents)

26 patents: Sort by Forward Citations

1. 5560627 - Low cost wheelchair (1996-10-01),

2. 5530975 - Method of lifting a patient with a sling (1996-07-02),

3. 5433235 - Foldable and lockable walker (1995-07-18),

4. D357361 - Integrally molded stackable shower stool (1995-04-18),

5. 5396670 - Sling for a patient lifter (1995-03-14),

6. D355985 - Integrally molded stackable shower chair (1995-03-07),

7. 5381813 - Adjustable hand grip for orthopedic crutch (1995-01-17),

8. 5343573 - Integrally molded stackable commode chair (1994-09-06),

9. 5339850 - Orthopedic hand grip for ambulation aids, tools and other implements (1994-08-23),

10. 5301968 - Mobility support device (1994-04-12),

11. 5299589 - Orthopedic crutch with adjustable hand grip (1994-04-05),

12. 5291910 - Adjustable hand grip for orthopedic crutch (1994-03-08),

13. 5289596 - Commode of unitary construction (1994-03-01),

14. 5273063 - Folding tray for invalid walkers (1993-12-28),

15. D339468 - Handle for ambulatory aid (1993-09-21),

Guardian Products, Inc. is a leading manufacturer of high-quality protective gear and safety equipment. With over 20 years of experience, we offer a wide range of products including helmets, goggles, gloves, and more. Our products are designed to provide maximum comfort and protection for workers in various industries such as construction, manufacturing, and transportation. Our commitment to quality and innovation has made us a trusted partner for companies worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

26 Patents

#1 in Arleta, CA

#2,955 in California

#12,430 in US

#24,068 in the World

Arleta, CA, United States of America

Guardian Products, Inc.

Forward Citations = 670

30 inventors:

Eric P Rose (8 out of 9 patents)

Jim R Schultz (6 out of 8 patents)

Stuart Karten (4 out of 10 patents)

4. Cuong Bui (3 out of 3 patents)

5. David Hodge (2 out of 3 patents)

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