Trademarks = 2

Forward Citations = 205

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3 inventors (with patents filed for the assignee):

David S Krafsur (3 out of 9 patents)

Francis Edward LeVert (2 out of 26 patents)

Francis E Levert (1 out of 3 patents)

3 patents: Sort by Forward Citations

#89 in Knoxville, TN

#771 in Tennessee

#73,727 in US

Shoe Spring, Inc.

Forward Citations = 205

3 inventors:

David S Krafsur (3 out of 9 patents)

Francis Edward LeVert (2 out of 26 patents)

Francis E Levert (1 out of 3 patents)

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