Growing community of inventors

Huntington Beach, CA, United States of America

Donald C Hartling

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 = 68

Donald C HartlingPeter Ar-Fu Lam (1 patent)Donald C HartlingAndrew Rifkin (1 patent)Donald C HartlingDonald C Hartling (1 patent)Peter Ar-Fu LamPeter Ar-Fu Lam (49 patents)Andrew RifkinAndrew Rifkin (5 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Mattel, Inc. (1 from 1,703 patents)


1 patent:

1. 5873765 - Toy having data downloading station

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1/10/2026
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