Growing community of inventors

Prospect, CT, United States of America

Richard Ratkiewich

Average Co-Inventor Count = 4.00

ph-index = 2

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 = 47

Richard Ratkiewich ↔ Calvin S Cook (2 patents)Richard Ratkiewich ↔ John A Vernon, Jr (2 patents)Richard Ratkiewich ↔ James Smith (2 patents)Richard RatkiewichRichard Ratkiewich (2 patents)Calvin S CookCalvin S Cook (12 patents)John A Vernon, JrJohn A Vernon, Jr (8 patents)James SmithJames Smith (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Louis Marx & Co., Inc. (2 from 28 patents)


2 patents:

1. D253832 - Toy vehicle

2. D251264 - Toy vehicle

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as of
12/16/2025
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