Huntingdon Valley, PA, United States of America

Crathern & Smith, Inc.


USPTO Granted Patents = 2

Forward Citations = 5

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4 inventors (with patents filed for the assignee):

goldMedal John DiValerio (2 out of 2 patents)

silverMedal Robert J Carbrey (1 out of 1 patent)

bronzeMedal Halvard H Solberg (1 out of 1 patent)

4 Charles F Crathern (1 out of 3 patents)


2 patents:

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#19 in Huntingdon Valley, PA

#3,360 in Pennsylvania

#92,551 in US

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Huntingdon Valley, PA, United States of America
Forward Citations = 5

4 inventors:

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