For the Inventor, By the Inventor

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Pico Rivera, CA, United States of America

Dolco Packaging Corporation

USPTO Granted Patents = 29

Forward Citations = 567

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13 inventors (with patents filed for the assignee):

Wayne L Congleton (11 out of 12 patents)

Richard L Ramirez (6 out of 40 patents)

Joe R Payne (4 out of 7 patents)

4. Carl J Meier (3 out of 3 patents)

5. George A Grimes (2 out of 3 patents)

6. Stephen J Kocis (2 out of 2 patents)

7. Gary H Kermoian (2 out of 2 patents)

8. Mark A Bergeron (1 out of 58 patents)

9. John L Baker (1 out of 16 patents)

10. James F Freeland (1 out of 1 patent)

11. Clifford Jones (1 out of 2 patents)

12. David E Hillgenberg (1 out of 2 patents)

13. Kenneth A Magoffin (1 out of 1 patent)

29 patents: Sort by Forward Citations

1. 5597073 - Trays for holding food products (1997-01-28),

2. 5494164 - Egg carton (1996-02-27),

3. D360808 - Food tray (1995-08-01),

4. 5423607 - Method for blending diverse blowing agents (1995-06-13),

5. D358965 - Food tray (1995-06-06),

6. D353765 - Four cell food tray (1994-12-27),

7. 5265756 - Packaging tray with thick, curvilinear perimeter edges (1993-11-30),

8. 5256356 - Method for forming an opening in a container (1993-10-26),

9. 5162123 - Spring-oriented rotary shear key for use in a mold (1992-11-10),

10. 5085571 - Mold containing an adjustable key (1992-02-04),

11. D322757 - Food container (1991-12-31),

12. D308822 - Egg carton (1990-06-26),

13. 4923654 - Blowing agent for expandable polymeric foams (1990-05-08),

14. D307387 - Produce container (1990-04-24),

15. 4915251 - Snaplock thermoformed container (1990-04-10),

Dolco Packaging Corporation is a leading manufacturer of innovative, high-quality foam packaging solutions for the food and consumer goods industries. With a focus on sustainability and customer satisfaction, Dolco offers a wide range of packaging products, including trays, containers, and specialty items. With over 50 years of experience, Dolco is dedicated to providing reliable and cost-effective packaging solutions to meet the unique needs of their clients.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

29 Patents

#3 in Pico Rivera, CA

#2,680 in California

#11,219 in US

#21,844 in the World

Pico Rivera, CA, United States of America

Dolco Packaging Corporation

Forward Citations = 567

13 inventors:

Wayne L Congleton (11 out of 12 patents)

Richard L Ramirez (6 out of 40 patents)

Joe R Payne (4 out of 7 patents)

4. Carl J Meier (3 out of 3 patents)

5. George A Grimes (2 out of 3 patents)

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