For the Inventor, By the Inventor

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Naugatuck, CT, United States of America

Risdon Corporation

USPTO Granted Patents = 72

Trademarks = 5

Forward Citations = 1,676

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31 inventors (with patents filed for the assignee):

Thomas F Holloway (26 out of 47 patents)

Walter T Ackermann (14 out of 24 patents)

Richard H Seager (7 out of 63 patents)

4. Owen F Van Brocklin (7 out of 8 patents)

5. Harley H Mattheis (5 out of 14 patents)

6. Walter K Kemmerer (5 out of 5 patents)

7. Paul M Kotuby (3 out of 8 patents)

8. Edward F Klimeck (2 out of 7 patents)

9. Eric J Idec (2 out of 6 patents)

10. Glenn W McGarvey (2 out of 2 patents)

11. Thomas J Dunleavy (2 out of 2 patents)

12. Antonio Montoli (2 out of 2 patents)

13. Joseph F Reed (2 out of 2 patents)

14. David Seidler (1 out of 34 patents)

15. Robert L Pierpont (1 out of 10 patents)

Core Competencies:

Lipstick Container

Mascara Applicator

Cosmetic Dispenser

Refillable Cosmetic Case

Sealed Lipstick Container

Fluid Dispenser

Cosmetic Compact

Positive Displacement Dispenser

Self Agitation Container

Snap Locking Mechanism

Hinged Cover Tray

Stirrer Mechanism

72 patents: Sort by Forward Citations

1. 5984552 - Locking lipstick container (1999-11-16),

2. 5902061 - Lipstick container and method of making same (1999-05-11),

3. 5863144 - Sealed lipstick container (1999-01-26),

4. 5762432 - Mascara applicator having slotted bristles (1998-06-09),

5. 5713454 - Method and apparatus for transferring nonoriented mascara applications (1998-02-03),

6. 5700100 - Mascara container having a stirrer and a separate wiper (1997-12-23),

7. 5649777 - Cosmetic dispenser with locking cup replaceable cartridge (1997-07-22),

8. 5638839 - Dual hinged refillable cosmetic case (1997-06-17),

9. 5636930 - Cosmetic dispenser with cam locking feature (1997-06-10),

10. 5605167 - Compact with replaceable product tray (1997-02-25),

11. 5599124 - Snap-together lipstick base and cartridge having snap locking means (1997-02-04),

12. 5595198 - Mascara applicator and method of making the same (1997-01-21),

13. 5567072 - Mascara applicator having slotted bristles (1996-10-22),

14. 5399040 - Dispenser with replaceable cosmetic holder (1995-03-21),

15. 5341956 - Method for assembling a dispensing container (1994-08-30),

Risdon Corporation is a leading manufacturer and supplier of specialty packaging solutions. With over 100 years of experience, we cater to a wide range of industries including beauty, personal care, food, pharmaceutical, and more. Our innovative packaging solutions are known for their quality, functionality, and sustainability. At Risdon Corporation, we are committed to providing exceptional customer service and delivering superior packaging solutions that meet the unique needs of our clients.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

72 Patents

#1 in Naugatuck, CT

#117 in Connecticut

#4,879 in US

#9,952 in the World

Naugatuck, CT, United States of America

Risdon Corporation

Forward Citations = 1,676

31 inventors:

Thomas F Holloway (26 out of 47 patents)

Walter T Ackermann (14 out of 24 patents)

Richard H Seager (7 out of 63 patents)

4. Owen F Van Brocklin (7 out of 8 patents)

5. Harley H Mattheis (5 out of 14 patents)

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