Forward Citations = 25

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3 inventors (with patents filed for the assignee):

John E Hartman (1 out of 10 patents)

Frank Bortnick (1 out of 1 patent)

Roger Petrovich (1 out of 1 patent)

1 patent: Sort by Forward Citations

#15 in Painesville, OH

#5,176 in Ohio

#133,943 in US

F.j.r. Industries, Inc.

Forward Citations = 25

3 inventors:

John E Hartman (1 out of 10 patents)

Frank Bortnick (1 out of 1 patent)

Roger Petrovich (1 out of 1 patent)

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