Trademarks = 1

Forward Citations = 11

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3 inventors (with patents filed for the assignee):

Paul S Petersen (1 out of 23 patents)

Ralph Ireland (1 out of 4 patents)

Virgil C Hed (1 out of 2 patents)

2 patents: Sort by Forward Citations

#538 in Minneapolis, MN

#2,484 in Minnesota

#92,551 in US

Dayton Rogers Manufacturing Company

Forward Citations = 11

3 inventors:

Paul S Petersen (1 out of 23 patents)

Ralph Ireland (1 out of 4 patents)

Virgil C Hed (1 out of 2 patents)

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