Forward Citations = 22

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2 inventors (with patents filed for the assignee):

David E Helgerson (2 out of 7 patents)

Brian R Lee (2 out of 2 patents)

2 patents: Sort by Forward Citations

#44 in Burnsville, MN

#2,528 in Minnesota

#94,722 in US

Quickdraw Design and Drafting, Inc.

Forward Citations = 22

2 inventors:

David E Helgerson (2 out of 7 patents)

Brian R Lee (2 out of 2 patents)

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