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For the Inventor, By the Inventor

Canonsburg, PA, United States of America

Clad Metals LLC


USPTO Granted Patents = 18

Forward Citations = 509

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2 inventors (with patents filed for the assignee):

goldMedal William A Groll (13 out of 51 patents)

silverMedal John B Ulam (5 out of 6 patents)


18 patents:

1. D490644 - Rectangular cookie baking sheet (2004-06-02),
2. D490643 - Square cake baking pan (2004-06-02),
3. D490268 - Round cake baking pan (2004-05-26),
4. D489568 - Jellyroll baking pan (2004-05-12),
5. D489567 - Rectangular utility baking pan (2004-05-12),
6. D474936 - Cooking vessel (2003-05-28),
7. 6544669 - Cryogenic treatment of cookware and bakeware (2003-04-08),
8. 6427904 - Bonding of dissimilar metals (2002-08-06),
9. 6360423 - Stick resistant coating for cookware (2002-03-26),
10. D449204 - Cooking vessel (2001-10-17),
11. 6267830 - Method for making a copper core five-ply composite for cookware (2001-07-31),
12. D440463 - Handle for cookware (2001-04-18),
13. 6109504 - Copper core cooking griddle and method of making same (2000-08-29),
14. 4646935 - Induction cooking utensils (1987-03-03),
15. 4246045 - Multiple member clad metal products and methods of making the same (1981-01-20),
Clad Metals LLC specializes in the production of clad metal products for a variety of industries including aerospace, electronics, and automotive. With a focus on quality and innovation, Clad Metals LLC has become a trusted supplier for customers worldwide. Our team of experienced professionals is dedicated to providing superior customer service and meeting the unique needs of each client. Contact us today to learn more about our capabilities and how we can help you with your clad metal needs.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

18 Patents

#5 in Canonsburg, PA

#652 in Pennsylvania

#17,421 in US

#33,199 in the World

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Canonsburg, PA, United States of America

Clad Metals LLC

Forward Citations = 509

2 inventors:

goldMedal William A Groll (13 out of 51 patents)

silverMedal John B Ulam (5 out of 6 patents)

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