Growing community of inventors

Waukesha, WI, United States of America

Donald D Spencer

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 = 0

Donald D SpencerMark Ford Henderson (1 patent)Donald D SpencerStephen P Barlow (1 patent)Donald D SpencerDonald D Spencer (1 patent)Mark Ford HendersonMark Ford Henderson (12 patents)Stephen P BarlowStephen P Barlow (10 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Delco Electronics Corporation (1 from 788 patents)


1 patent:

1. 5411896 - Method of making supra-passivant grid

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