Trademarks = 1

Forward Citations = 50

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3 inventors (with patents filed for the assignee):

Ronald J Hoffman (1 out of 7 patents)

Richard A Ford (1 out of 1 patent)

Marvin A Blair (1 out of 1 patent)

2 patents: Sort by Forward Citations

#166 in Grand Rapids, MI

#3,120 in Michigan

#92,554 in US

Guardsman Products, Inc.

Forward Citations = 50

3 inventors:

Ronald J Hoffman (1 out of 7 patents)

Richard A Ford (1 out of 1 patent)

Marvin A Blair (1 out of 1 patent)

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