Forward Citations = 32

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2 inventors (with patents filed for the assignee):

Douglas Brad Campbell (1 out of 25 patents)

Jeffrey Jon Campbell (1 out of 19 patents)

1 patent: Sort by Forward Citations

#2 in Loretto, MN

#3,497 in Minnesota

#133,781 in US

Volleyball Products International, Inc.

Forward Citations = 32

2 inventors:

Douglas Brad Campbell (1 out of 25 patents)

Jeffrey Jon Campbell (1 out of 19 patents)

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