Growing community of inventors

Maynard, MA, United States of America

David B Walker

Average Co-Inventor Count = 2.40

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 = 23

David B WalkerAllen J Neel (2 patents)David B WalkerJanet A Allen (1 patent)David B WalkerLinda L Blakely (1 patent)David B WalkerJohn C Goodman (1 patent)David B WalkerJason Boyd (1 patent)David B WalkerDavid B Walker (2 patents)Allen J NeelAllen J Neel (7 patents)Janet A AllenJanet A Allen (4 patents)Linda L BlakelyLinda L Blakely (2 patents)John C GoodmanJohn C Goodman (1 patent)Jason BoydJason Boyd (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Polaroid Corporation (2 from 2,176 patents)


2 patents:

1. 5075769 - Video identification card system

2. 4516845 - Security control system and method for identification card cameras

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as of
12/13/2025
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