Growing community of inventors

Seekonk, MA, United States of America

Robert H Hudson

Average Co-Inventor Count = 1.39

ph-index = 8

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 157

Robert H HudsonGeorge W Ptaszek (3 patents)Robert H HudsonCarl Cederholm (1 patent)Robert H HudsonWilliam P Richardson (1 patent)Robert H HudsonFrancis V Perry, Jr (1 patent)Robert H HudsonLeonard Gray (1 patent)Robert H HudsonRichard P Barlik (1 patent)Robert H HudsonRobert H Hudson (10 patents)George W PtaszekGeorge W Ptaszek (8 patents)Carl CederholmCarl Cederholm (3 patents)William P RichardsonWilliam P Richardson (2 patents)Francis V Perry, JrFrancis V Perry, Jr (2 patents)Leonard GrayLeonard Gray (1 patent)Richard P BarlikRichard P Barlik (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (6 from 832,761 patents)

2. Hasbro Development Corporation (3 from 12 patents)

3. Les Jouets Educatifs Universels (1 from 1 patent)


10 patents:

1. 6048250 - Toy dart

2. 5928049 - Toy dart

3. 4402507 - Ball-tossing device

4. 4288943 - Simulated firing and sighting system

5. 4257610 - Snapping animal game

6. 4175747 - Light projector shooting apparatus with movable, perforable, target

7. 4129963 - Toy article having changeable expression graphics

8. 4094215 - Plier wrench

9. 4067138 - Pneumatically actuated walking doll

10. D245529 - Toy submarine

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as of
12/16/2025
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