Kettering, OH, United States of America

Spd Electrical Systems


USPTO Granted Patents = 3

Forward Citations = 3

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4 inventors (with patents filed for the assignee):

goldMedal John P Barber (3 out of 39 patents)

silverMedal John I Ykema (2 out of 9 patents)

bronzeMedal Antonios Challita (1 out of 13 patents)

4 Robert Lawler (1 out of 1 patent)


3 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#6 in Kettering, OH

#2,787 in Ohio

#71,968 in US

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Kettering, OH, United States of America
Forward Citations = 3

4 inventors:

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