Growing community of inventors

Holden, MA, United States of America

William A Henderson

Average Co-Inventor Count = 3.00

ph-index = 5

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 = 61

William A HendersonMark James Sousa (4 patents)William A HendersonCharles H Keegan (2 patents)William A HendersonPhillip A Przybylo (2 patents)William A HendersonSpencer P Brown (2 patents)William A HendersonAnthony A Paolo (2 patents)William A HendersonDavid L Baker (1 patent)William A HendersonWilliam A Henderson (6 patents)Mark James SousaMark James Sousa (13 patents)Charles H KeeganCharles H Keegan (13 patents)Phillip A PrzybyloPhillip A Przybylo (11 patents)Spencer P BrownSpencer P Brown (9 patents)Anthony A PaoloAnthony A Paolo (2 patents)David L BakerDavid L Baker (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Summer Infant (usa), Inc. (4 from 20 patents)

2. Goodbaby Child Product Co., Ltd. (2 from 4 patents)


6 patents:

1. RE47525 - Foldable playard

2. 9482052 - Safety gate with a rewindable, flexible barrier

3. 9328551 - Safety gate assembly

4. 9144325 - Foldable playard

5. 8544952 - Infant child restraint system

6. 8393678 - Infant child restraint system

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as of
12/5/2025
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