DH

David P. Hartman

HD Hunter Douglas: 1 patents #12 of 26Top 50%
📍 Ashland, MA: #5 of 23 inventorsTop 25%
🗺 Massachusetts: #1,866 of 6,583 inventorsTop 30%
Overall (2004): #239,631 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6712311 Apparatus for manufacturing an adjustable covering for architectural openings Wendell B. Colson 2004-03-30