Enter assignee name

Trademarks = 6

Forward Citations = 129

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5 inventors (with patents filed for the assignee):

Donald J Roth (8 out of 33 patents)

William M Heyn (7 out of 13 patents)

Robert W Fraser (5 out of 5 patents)

4. Donald G Sauer (3 out of 18 patents)

5. Ihab Hekal (2 out of 2 patents)

11 patents: Sort by Forward Citations

1. 6258312 - Method for producing a container closure (2001-07-10),

2. 6033613 - Method of molding a peripheral frame with a panel insert (2000-03-07),

3. 5950861 - Press-on closure with peelable end panel (1999-09-14),

4. 5830398 - Method for forming container closure (1998-11-03),

5. 5697514 - Container and closure with in-turned seam (1997-12-16),

6. 5634567 - Heat bondable container closure (1997-06-03),

7. 5360588 - Method of making an injection molded frame having a panel insert (1994-11-01),

8. 5273416 - Apparatus for making an injection molded frame having a panel insert (1993-12-28),

9. 5246134 - Press-on closure with peelable end panel (1993-09-21),

10. 5125528 - Container closure, and method for producing same (1992-06-30),

11. 5085339 - Reclosable container closure (1992-02-04),

Polystar Packaging, Incorporated is a leading provider of innovative packaging solutions for various industries. With more than 20 years of experience, we offer a wide range of packaging products including bags, pouches, films, and more. Our focus on sustainability and quality has made us a trusted partner for businesses looking for reliable and eco-friendly packaging solutions. Visit our website to learn more about our products and services.

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Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

11 Patents

#34 in Norwalk, CT

#549 in Connecticut

#26,694 in US

#50,190 in the World

Norwalk, CT, United States of America

Polystar Packaging, Incorporated