Trademarks = 1

Forward Citations = 1

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2 inventors (with patents filed for the assignee):

Mark W McPherson (1 out of 2 patents)

William R McPherson (1 out of 1 patent)

1 patent: Sort by Forward Citations

#1 in Otsego, MI

#4,517 in Michigan

#133,784 in US

Tengam Engineering, Inc.

Forward Citations = 1

2 inventors:

Mark W McPherson (1 out of 2 patents)

William R McPherson (1 out of 1 patent)

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