Pittsburgh, PA, United States of America

Ball Hopper Products


USPTO Granted Patents = 1

Forward Citations = 16

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2 inventors (with patents filed for the assignee):

goldMedal Harry M Ferrari (1 out of 35 patents)

silverMedal John M Shallenberger (1 out of 29 patents)


1 patent:

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#607 in Pittsburgh, PA

#4,882 in Pennsylvania

#133,894 in US

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Pittsburgh, PA, United States of America
Forward Citations = 16

2 inventors:

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