Forward Citations = 16

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2 inventors (with patents filed for the assignee):

Harry M Ferrari (1 out of 35 patents)

John M Shallenberger (1 out of 29 patents)

1 patent: Sort by Forward Citations

#637 in Pittsburgh, PA

#4,965 in Pennsylvania

#136,739 in US

Ball Hopper Products

Forward Citations = 16

2 inventors:

Harry M Ferrari (1 out of 35 patents)

John M Shallenberger (1 out of 29 patents)

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