For the Inventor, By the Inventor

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Pawtucket, RI, United States of America

Hasbro Development Corporation

USPTO Granted Patents = 12

Forward Citations = 121

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18 inventors (with patents filed for the assignee):

Robert H Hudson (3 out of 10 patents)

Brian S Prodger (2 out of 2 patents)

John E Holden (2 out of 7 patents)

4. Jay Smith, Iii (2 out of 39 patents)

5. Richard F Conroy (2 out of 5 patents)

6. George W Ptaszek (2 out of 8 patents)

7. Alfred A Crabtree (1 out of 1 patent)

8. Hubert P O'Connor (1 out of 1 patent)

9. John D Birdsall (1 out of 6 patents)

10. James A King (1 out of 1 patent)

11. Francis V Perry, Jr (1 out of 2 patents)

12. Richard P Barlik (1 out of 1 patent)

13. William P Richardson (1 out of 2 patents)

14. Leonard Gray (1 out of 1 patent)

15. Samuel F Speers (1 out of 3 patents)

12 patents: Sort by Forward Citations

1. 4129963 - Toy article having changeable expression graphics (1978-12-19),

2. D250056 - Element of flexible toy track (1978-10-24),

3. 4101135 - Sound reproducing unit (1978-07-18),

4. 4101134 - Sound reproducing unit tone arm (1978-07-18),

5. 4068353 - Carton clip (1978-01-17),

6. 4067138 - Pneumatically actuated walking doll (1978-01-10),

7. 4062144 - Flexible doll having arm members pivotable to plural stable positions (1977-12-13),

8. D245529 - Toy submarine (1977-08-23),

9. 4018002 - Toy simulating a walking animal (1977-04-19),

10. 4005545 - Eye shifting mechanism for doll construction (1977-02-01),

11. 3988855 - Posable figure having one piece connector for torso, trunk and legs (1976-11-02),

12. 3980113 - Pencil sharpener (1976-09-14),

Hasbro Development Corporation is a leading global play and entertainment company committed to Creating the World's Best Play Experiences. From toys and games to television, movies, digital gaming and consumer products, Hasbro offers a variety of ways for audiences to experience its iconic brands.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

12 Patents

#11 in Pawtucket, RI

#124 in Rhode Island

#25,526 in US

#48,090 in the World

Pawtucket, RI, United States of America

Hasbro Development Corporation

Forward Citations = 121

18 inventors:

Robert H Hudson (3 out of 10 patents)

Brian S Prodger (2 out of 2 patents)

John E Holden (2 out of 7 patents)

4. Jay Smith, Iii (2 out of 39 patents)

5. Richard F Conroy (2 out of 5 patents)

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