Growing community of inventors

San Ramon, CA, United States of America

Alfred A Crabtree

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 20

Alfred A CrabtreeBrian S Prodger (1 patent)Alfred A CrabtreeHubert P O'Connor (1 patent)Alfred A CrabtreeAlfred A Crabtree (1 patent)Brian S ProdgerBrian S Prodger (2 patents)Hubert P O'ConnorHubert P O'Connor (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hasbro Development Corporation (1 from 12 patents)


1 patent:

1. 3988855 - Posable figure having one piece connector for torso, trunk and legs

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as of
12/17/2025
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