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 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 - Sep 15 2026

72 Patents

#1 in Naugatuck, CT

#138 in Connecticut

#5,097 in US

#10,363 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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