Trademarks = 3

Forward Citations = 121

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4 inventors (with patents filed for the assignee):

Ted L Beaver (1 out of 46 patents)

Howard V Leendersen (1 out of 1 patent)

Yeong C Park (1 out of 2 patents)

4. Patrick C Irvine (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 5783308 - Ceramic reinforced fluoropolymer (1998-07-21),

2. D354916 - Container (1995-01-31),

3. D309100 - Container body for liquids and the like (1990-07-10),

4. D308633 - Bottle (1990-06-19),

Quaker State Corporation is a leading manufacturer and distributor of motor oil and other automotive products. With over a century of experience in the industry, Quaker State prides itself on providing high-quality, reliable products to customers worldwide. The company's commitment to innovation and sustainability has solidified its reputation as a trusted name in the automotive industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

4 Patents

#66 in Irving, TX

#3,844 in Texas

#59,059 in US

Irving, TX, United States of America

Quaker State Corporation

Forward Citations = 121

4 inventors:

Ted L Beaver (1 out of 46 patents)

Howard V Leendersen (1 out of 1 patent)

Yeong C Park (1 out of 2 patents)

4. Patrick C Irvine (1 out of 1 patent)

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