Enter assignee name

CIPO Patents = 1

Forward Citations = 289

Loading Chart...

7 inventors (with patents filed for the assignee):

Thomas C Stoneberg (9 out of 30 patents)

Gary L Berge (7 out of 67 patents)

Walter J Kreiseder (4 out of 16 patents)

4. William C Schmeisser (2 out of 5 patents)

5. Allen J Vogel (1 out of 6 patents)

6. John A Sekowski (1 out of 4 patents)

7. Thomas C Stonberg (1 out of 1 patent)

8. Joseph M Ladina (8 patents)

12 patents: Sort by Forward Citations

1. 6547102 - Swivel top closure (2003-04-15),

2. 6478184 - Two piece hinged closure (2002-11-12),

3. 6338425 - Dispensing closure (2002-01-15),

4. D451021 - Overcap for dispensing closure (2001-11-28),

5. 6299038 - Telescoping twist closure (2001-10-09),

6. 6299027 - Valve controlled dispensing closure (2001-10-09),

7. 6269982 - Trigger activated product dispenser (2001-08-07),

8. 6213351 - Push body valve closure (2001-04-10),

9. D438114 - Twist top closure (2001-02-28),

10. D435218 - Product dispenser top (2000-12-19),

11. 6116477 - Two piece hinge closure (2000-09-12),

12. 5215220 - Tamper evident closure with dispensing spout and integral opening member (1993-06-01),

Courtesy Corporation is a prominent entity based in Buffalo Grove, Illinois, specializing in the development and manufacturing of innovative solutions across various sectors. The company is known for its expertise in consumer products and services, focusing on enhancing user experience through quality and reliability. With a commitment to research and technology, Courtesy Corporation actively engages in advancing its offerings, ensuring they meet the evolving needs of its clientele while maintaining a strong presence in the market.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

12 Patents

#15 in Buffalo Grove, IL

#1,254 in Illinois

#25,540 in US

#48,129 in the World

Buffalo Grove, IL, United States of America

Courtesy Corporation