For the Inventor, By the Inventor

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Naugatuck, CT, United States of America

Risdon Corporation

USPTO Granted Patents = 72

Trademarks = 4

Forward Citations = 1,709

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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

Fluid Dispenser

Sealed Container

Refillable Case

Locking Mechanism

Self Agitation

Pump Design

Cosmetic Compact

Product Tray

Stirring 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, based in Naugatuck, Connecticut, specializes in the design and manufacturing of innovative cosmetic dispensers. The company focuses on developing advanced solutions for the beauty industry, including lipstick containers, mascara applicators, and fluid dispensers. Risdon's expertise extends to creating sealed and refillable cases, incorporating features such as locking mechanisms and self-agitation technology. Their commitment to quality and innovation positions them as a key player in the cosmetic packaging sector.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

72 Patents

#1 in Naugatuck, CT

#138 in Connecticut

#5,101 in US

#10,383 in the World

Naugatuck, CT, United States of America

Risdon Corporation

Forward Citations = 1,709

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)

Please report any incorrect information to [email protected]

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