Growing community of inventors

Fullerton, CA, United States of America

Virgil W Wulff

Average Co-Inventor Count = 1.71

ph-index = 3

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 = 100

Virgil W WulffMark S Wittenberg (1 patent)Virgil W WulffGregory F Quinn (1 patent)Virgil W WulffRobert F Schroeder (1 patent)Virgil W WulffJohn C Woolington (1 patent)Virgil W WulffVirgil W Wulff (4 patents)Mark S WittenbergMark S Wittenberg (13 patents)Gregory F QuinnGregory F Quinn (9 patents)Robert F SchroederRobert F Schroeder (5 patents)John C WoolingtonJohn C Woolington (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mattel, Inc. (4 from 1,702 patents)


4 patents:

1. 6565407 - Talking doll having head movement responsive to external sound

2. 4662857 - Articulated soft doll construction assembly

3. 4559021 - Poseable doll head

4. 4403440 - Toy vehicle accelerator

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as of
12/15/2025
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