DM

Douglas A. Marsden

DI Diggs: 1 patents #1 of 8Top 15%
📍 Marblehead, MA: #15 of 41 inventorsTop 40%
🗺 Massachusetts: #4,639 of 13,863 inventorsTop 35%
Overall (2022): #470,258 of 548,613Top 90%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D959759 Animal training tool Zel Alexander Crampton, Jacqueline Prehogan, Isaac Langleben, Benjamin J. Beck, Michael T. McDuffee +2 more 2022-08-02