For the Inventor, By the Inventor

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Arleta, CA, United States of America

Guardian Products, Inc.

USPTO Granted Patents = 26

Trademarks = 2

Forward Citations = 682

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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)

Core Competencies:

Wheelchair

Patient Lifter

Walker

Shower Stool

Sling

Commode Chair

Adjustable Hand Grip

Mobility Support

Quad Cane

Folding Tray

Crutch

Swimming Pool Lift

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),

Company Overview

Guardian Products, Inc. is a prominent manufacturer based in Arleta, California, specializing in innovative solutions for the automotive and industrial sectors. The company focuses on developing high-quality products that enhance safety and performance, leveraging advanced materials and engineering techniques. With a commitment to research and development, Guardian Products aims to address the evolving needs of its clients, ensuring reliability and efficiency in its offerings across various applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

26 Patents

#1 in Arleta, CA

#3,041 in California

#12,859 in US

#24,806 in the World

Arleta, CA, United States of America

Guardian Products, Inc.

Forward Citations = 682

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Guardian Products, Inc.. Retrieved from https://idiyas.com/company/guardian-products

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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