DH

David P. Hartman

HD Hunter Douglas: 1 patents #18 of 45Top 40%
📍 Ashland, MA: #18 of 61 inventorsTop 30%
🗺 Massachusetts: #4,682 of 13,044 inventorsTop 40%
Overall (2017): #449,876 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9850702 Method for making a window covering having operable vanes Eugene M. Ballard, Jr., Wendell B. Colson, Kevin M. Dann, Daniel M. Fogarty, Marjorie G. Harper +4 more 2017-12-26